United Nations. Department of Economic and Social Affairs. Population Division. (2010). World fertility report: 2007. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations. Department of Economic and Social Affairs. Population Division. World Fertility Report: 2007. New York: United Nations, 2010.
Citatione MLA (9a ed.)United Nations. Department of Economic and Social Affairs. Population Division. World Fertility Report: 2007. United Nations, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.