United Nations. Department of International Economic and Social Affairs. Population Division. (1991). Population growth and policies in mega-cities: Mexico City. United Nations.
Citace podle Chicago (17th ed.)United Nations. Department of International Economic and Social Affairs. Population Division. Population Growth and Policies in Mega-cities: Mexico City. New York: United Nations, 1991.
Citace podle MLA (9th ed.)United Nations. Department of International Economic and Social Affairs. Population Division. Population Growth and Policies in Mega-cities: Mexico City. United Nations, 1991.
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