Hance, W. A. (1970). Population, migration, and urbanization in Africa. New York: Columbia University Press.
Παραπομπή Chicago StyleHance, William Adams. Population, Migration, and Urbanization in Africa. New York: Columbia University Press, 1970.
Παραπομπή MLAHance, William Adams. Population, Migration, and Urbanization in Africa. New York: Columbia University Press, 1970.
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