APA引文

United Nations. Department of Economic and Social Affairs. (2007). World economic and social survey 2007: Development in an ageing world. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Department of Economic and Social Affairs. World Economic and Social Survey 2007: Development in an Ageing World. New York: United Nations, 2007.

MLA引文

United Nations. Department of Economic and Social Affairs. World Economic and Social Survey 2007: Development in an Ageing World. United Nations, 2007.