Cohen, W. B. (1971). Rulers of empire: The french colonial service in africa. Hoover Institution Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCohen, William B. Rulers of Empire: The French Colonial Service in Africa. Stanford: Hoover Institution Press, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCohen, William B. Rulers of Empire: The French Colonial Service in Africa. Hoover Institution Press, 1971.
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