United Nations. Department for Economic and Social Information and Policy Analysis. (1993). Population growth and policies in mega-cities. Sao Paulo. United Nations.
Chicagoスタイル(17版)引用形式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(9版)引用形式United Nations. Department for Economic and Social Information and Policy Analysis. Population Growth and Policies in Mega-cities. Sao Paulo. United Nations, 1993.
警告: この引用は必ずしも正確ではありません.