United Nations. Department of Economic and Social Affairs. Population Division. (2003). Partnership and reproductive behaviour in low-fertility countries. United Nations.
芝加哥风格引文United Nations. Department of Economic and Social Affairs. Population Division. Partnership and Reproductive Behaviour in Low-fertility Countries. New York: United Nations, 2003.
MLA引文United Nations. Department of Economic and Social Affairs. Population Division. Partnership and Reproductive Behaviour in Low-fertility Countries. United Nations, 2003.
警告：这些引文格式不一定是100％准确.