United Nations. Dept. of International Economic and Social Affairs. (1989). Trends in population policy. United Nations.
Citace podle Chicago (17th ed.)United Nations. Dept. of International Economic and Social Affairs. Trends in Population Policy. New York: United Nations, 1989.
Citace podle MLA (8th ed.)United Nations. Dept. of International Economic and Social Affairs. Trends in Population Policy. United Nations, 1989.
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