United Nations. Department of Economic and Social Affairs. Population Division. (2010). World fertility report: 2007. United Nations.
Chicago-Zitierstil (17. Ausg.)United Nations. Department of Economic and Social Affairs. Population Division. World Fertility Report: 2007. New York: United Nations, 2010.
MLA-Zitierstil (9. Ausg.)United Nations. Department of Economic and Social Affairs. Population Division. World Fertility Report: 2007. United Nations, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.