APA引文

United Nations. Department for Economic and Social Information and Policy Analysis. (1993). Population growth and policies in mega-cities. Sao Paulo. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Department for Economic and Social Information and Policy Analysis. Population Growth and Policies in Mega-cities. Sao Paulo. New York: United Nations, 1993.

MLA引文

United Nations. Department for Economic and Social Information and Policy Analysis. Population Growth and Policies in Mega-cities. Sao Paulo. United Nations, 1993.