Dyfyniad APA

United Nations. Department of Economic and Social Affairs. Population Division. (2004). World fertility report: 2003. United Nations.

Dyfyniad Arddull Chicago

United Nations. Department of Economic and Social Affairs. Population Division. World Fertility Report: 2003. New York: United Nations, 2004.

Dyfyniad MLA

United Nations. Department of Economic and Social Affairs. Population Division. World Fertility Report: 2003. United Nations, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.