Princeton University. Office of Population Research & Brass, W. (1968). The demography of tropical Africa. Princeton University Press.
Citace podle Chicago (17th ed.)Princeton University. Office of Population Research a William Brass. The Demography of Tropical Africa. Princeton, N.J.: Princeton University Press, 1968.
Citace podle MLA (8th ed.)Princeton University. Office of Population Research a William Brass. The Demography of Tropical Africa. Princeton University Press, 1968.
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