Princeton University. Office of Population Research & Brass, W. (1968). The demography of tropical Africa. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPrinceton University. Office of Population Research और William Brass. The Demography of Tropical Africa. Princeton, N.J.: Princeton University Press, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPrinceton University. Office of Population Research और William Brass. The Demography of Tropical Africa. Princeton University Press, 1968.
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