International African Institute, International Institute of African Languages and Cultures, Westermann, D., Smith, E. W., & Forde, C. D. Africa. Oxford University Press.
Citace podle Chicago (17th ed.)International African Institute, International Institute of African Languages and Cultures, Diedrich Westermann, Edwin William Smith, a Cyril Daryll Forde. Africa. London: Oxford University Press.
Citace podle MLA (8th ed.)International African Institute, et al. Africa. Oxford University Press.
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