Hailey, W. M. H. (1957). An African survey: A study of problems arising in Africa south of the Sahara. London, New York: Oxford University Press.
Παραπομπή Chicago StyleHailey, William Malcolm Hailey. An African Survey: A Study of Problems Arising in Africa South of the Sahara. London, New York: Oxford University Press, 1957.
Παραπομπή MLAHailey, William Malcolm Hailey. An African Survey: A Study of Problems Arising in Africa South of the Sahara. London, New York: Oxford University Press, 1957.
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