Langley, J. A. (1973). Pan-Africanism and nationalism in West Africa, 1900-1945: A study in ideology and social classes. Clarendon Press.
Lua i Stíl Chicago (17ú heag.)Langley, J. Ayodele. Pan-Africanism and Nationalism in West Africa, 1900-1945: A Study in Ideology and Social Classes. Oxford: Clarendon Press, 1973.
Lua MLA (8ú heag.)Langley, J. Ayodele. Pan-Africanism and Nationalism in West Africa, 1900-1945: A Study in Ideology and Social Classes. Clarendon Press, 1973.
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