Não informado. (1962). Joint acquisitions list of Africana. Northwestern University Library, African Department.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Joint Acquisitions List of Africana. Evanston, Ill: Northwestern University Library, African Department, 1962.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Joint Acquisitions List of Africana. Northwestern University Library, African Department, 1962.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.