Whetham, E. H., & Currie, J. I. (1969). The Economics of African countries. London: Cambridge at the University Press.
Trích dẫn kiểu ChicagoWhetham, Edith H., và Jean I. Currie. The Economics of African Countries. London: Cambridge at the University Press, 1969.
Deismireacht MLAWhetham, Edith H., và Jean I. Currie. The Economics of African Countries. London: Cambridge at the University Press, 1969.
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