Prothero, R. M., & Mansell Prothero, R. (1974). A geography of Africa: Regional essays on fundamental characteristics, issues and problems. Routledge and Kegan Paul.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रProthero, R. Mansell, और R. Mansell Prothero. A Geography of Africa: Regional Essays on Fundamental Characteristics, Issues and Problems. Routledge and Kegan Paul, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रProthero, R. Mansell, और R. Mansell Prothero. A Geography of Africa: Regional Essays on Fundamental Characteristics, Issues and Problems. Routledge and Kegan Paul, 1974.
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