United States. Central Intelligence Agency. (2010). The CIA world factbook 2011. Skyhorse Publishing.
Chicago Style (17th ed.) CitationUnited States. Central Intelligence Agency. The CIA World Factbook 2011. New York: Skyhorse Publishing, 2010.
MLA (9th ed.) CitationUnited States. Central Intelligence Agency. The CIA World Factbook 2011. Skyhorse Publishing, 2010.
Warning: These citations may not always be 100% accurate.