Não informado. (1962). Joint acquisitions list of Africana. Northwestern University Library, African Department.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Joint Acquisitions List of Africana. Evanston, Ill: Northwestern University Library, African Department, 1962.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Joint Acquisitions List of Africana. Northwestern University Library, African Department, 1962.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.