Okoth, A. (1979). A History of Africa 1855-1914 (New enlarged edition.). East African Educational Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOkoth, Assa. A History of Africa 1855-1914. New enlarged edition. Nairobi: East African Educational Publishers, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOkoth, Assa. A History of Africa 1855-1914. New enlarged edition. East African Educational Publishers, 1979.
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