July, R. W. (1967). The origins of modern African thought: Its development in West Africa during the nineteenth and twentieth centuries. F.A. Praeger.
Lua i Stíl Chicago (17ú heag.)July, Robert William. The Origins of Modern African Thought: Its Development in West Africa During the Nineteenth and Twentieth Centuries. New York: F.A. Praeger, 1967.
Lua MLA (9ú heag.)July, Robert William. The Origins of Modern African Thought: Its Development in West Africa During the Nineteenth and Twentieth Centuries. F.A. Praeger, 1967.
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