"UNGEGN List of Country Names"(PDF). United Nations Group of Experts on Geographical Names. 2007. मूल से 2011-07-28 को पुरालेखित(PDF). अभिगमन तिथि 28 July 2011.
"UNGEGN List of Country Names"(PDF). United Nations Group of Experts on Geographical Names. 2007. मूल से 2011-07-28 को पुरालेखित(PDF). अभिगमन तिथि 28 July 2011.