United Nations. Department of Economic and Social Affairs. Population Division. (2004). World fertility report: 2003. United Nations.
芝加哥风格引文United Nations. Department of Economic and Social Affairs. Population Division. World Fertility Report: 2003. New York: United Nations, 2004.
MLA引文United Nations. Department of Economic and Social Affairs. Population Division. World Fertility Report: 2003. United Nations, 2004.
警告：这些引文格式不一定是100％准确.