United States. Central Intelligence Agency. (2010). The CIA world factbook 2011. Skyhorse Publishing.
Style de citation Chicago (17e éd.)United States. Central Intelligence Agency. The CIA World Factbook 2011. New York: Skyhorse Publishing, 2010.
Style de citation MLA (9e éd.)United States. Central Intelligence Agency. The CIA World Factbook 2011. Skyhorse Publishing, 2010.
Attention : ces citations peuvent ne pas être correctes à 100%.