^ abcdefghijklmnopqrstuvwxyzaaabacadaeafagahaiajakalamanaoapaqarasatauavawOfficial language; “Field Listing - Languages”. The World Factbook. 中央情報局. 2009年1月11日閲覧。.
^ abcdefgEnglish usage; “Field Listing - Languages”. The World Factbook. 中央情報局. 2009年1月11日閲覧。
^N. Krishnaswamy; Lalitha Krishnaswamy (6 January 2006). “3.14 English Becomes a Second Language”. The story of English in India. Foundation Books. ISBN 978-81-7596-312-2. https://books.google.com.ph/books?id=mBpFLdcEG7IC&pg=PA103
^“Legislations: List of Acts and Ordinances”. サモア議会. 2009年1月18日閲覧。[リンク切れ]
^The Constitution of Jamaica (section 20(6e) — implicit)
^Wong, Aline (2000年11月24日). “Education in a Multicultural Setting - The Singapore Experience”. シンガポール教育省. 2009年1月18日閲覧。 “There are four official languages: English, Chinese, Malay and Tamil.”
^“Constitution of the Republic of the Philippines, Article XIV”. Chanrobles Law Library (1987年). October 27, 2007閲覧。 (See Article XIV, Section 7)
^Malawi Investment Promotion Agency (August 2005). “Opportunities for investment and Trade in Malawi – the Warm Heart of Africa”. マラウイ政府. 2009年1月18日閲覧。
^“Constitution of the Republic of South Africa”. 南アフリカ憲法裁判所. 2009年1月11日閲覧。
^“The Constitution of Southern Sudan”. Southern Sudan Civil Society Initiative. 2011年7月9日閲覧。
^“Pluralist Nations: Pluralist Language Policies?”. 1995 Global Cultural Diversity Conference Proceedings, Sydney. 移民・市民権省. 11 January 2009閲覧。"English has no de jure status but it is so entrenched as the common language that it is de facto the official language as well as the national language."
^Spolsky, Bernard (1999). Round Table on Language and Linguistics. ワシントン D.C.: Georgetown University Press. pp. 169-70. ISBN 0-87840-132-6. https://books.google.co.jp/books?id=ljumbfV_7y0C&pg=PA169&dq=&redir_esc=y&hl=ja#v=onepage&q&f=false. "In 1948, the newly independent state of Israel took over the old British regulations that had set English, Arabic, and Hebrew as official languages for Mandatory Palestine but, as mentioned, dropped English from the list. In spite of this, official language use has maintained a de facto role for English, after Hebrew but before Arabic."
^Bat-Zeev Shyldkrot, Hava (2004). “Part I: Language and Discourse”. In Diskin Ravid, Dorit; Bat-Zeev Shyldkrot, Hava. Perspectives on Language and Development: Essays in Honor of Ruth A. Berman. クルーヴァー・アカデミック・パブリッシャーズ. p. 90. ISBN 1-4020-7911-7. https://books.google.co.jp/books?id=xMzx6xFB0IgC&pg=PA90&redir_esc=y&hl=ja#v=onepage&q&f=false. "English is not considered official but it plays a dominant role in the educational and public life of Israeli society. ... It is the language most widely used in commerce, business, formal papers, academia, and public interactions, public signs, road directions, names of buildings, etc. English behaves 'as if' it were the second and official language in Israel."
^Shohamy, Elana (2006). Language Policy: Hidden Agendas and New Approaches. Routledge. pp. 72-73. ISBN 0-415-32864-0. https://books.google.co.jp/books?id=5mG09P64jzYC&pg=PA72&redir_esc=y&hl=ja#v=onepage&q&f=false. "In terms of English, there is no connection between the declared policies and statements and de facto practices. While English is not declared anywhere as an official language, the reality is that it has a very high and unique status in Israel. It is the main language of the academy, commerce, business, and the public space."
^“LANDSVERORDENING van de 28ste maart 2007 houdende vaststelling van de officiële talen (Landsverordening officiële talen)” (オランダ語). オランダ政府. 21 August 2013閲覧。
^“Associated Countries and External Territories: Tokelau”. Commonwealth Secretariat. 20 March 2014閲覧。
^ abcdefghijklmnopqrstuvwxyCrawford, James (June 24, 2008). “Language Legislation in the U.S.A.”. languagepolicy.net. April 27, 2011閲覧。
^“Alaska Supreme Court Upholds State's Official English Law”. Business Wire (November 5, 2007). April 28, 2011閲覧。
^“Arizona makes English official”. ワシントン・タイムズ (November 8, 2006). April 28, 2011閲覧。
^National Assembly for Wales (2012年). “National Assembly for Wales (Official Languages) Act 2012”. Legislation.gov.uk. March 19, 2014閲覧。
^Slipke, Darla (November 3, 2010). “Oklahoma elections: Republican-backed measures win approval”. NewsOK. The Oklahoman. April 28, 2011閲覧。
^ abEnglish can be used in relations with the government “Invoeringswet openbare lichamen Bonaire, Sint Eustatius en Saba” (オランダ語). wetten.nl. 2012年10月14日閲覧。