* [http://www.iso.org/iso/country_codes/iso_3166_code_lists/english_country_names_and_code_elements.htm Landekodeoversigt fra ISO] {{en sprog}}
* Fra [[International Organization for Standardization|ISO]]'s website
** [http://www.iso.org/iso/en/prods-services/iso3166ma/index.html ISO 3166/MA-Sekretariatet (engelsk)]
** [http://www.iso.org/iso/en/prods-services/iso3166ma/04background-on-iso-3166/you-and-iso3166.html ISO 3166 og dig (engelsk)]
** [http://www.iso.org/iso/en/prods-services/iso3166ma/04background-on-iso-3166/implementations-of-iso3166-1.html Implementationer af ISO 3166-1 (engelsk)]