United Nations. Department of Economic and Social Affairs. Population Division. (2004). World fertility report: 2003. United Nations.
Chicago-viite (17. p.)United Nations. Department of Economic and Social Affairs. Population Division. World Fertility Report: 2003. New York: United Nations, 2004.
MLA-viite (9. p.)United Nations. Department of Economic and Social Affairs. Population Division. World Fertility Report: 2003. United Nations, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.