U.S. Library of Congress. African Section & Conover, H. F. (1964). Africa south of the Sahara: A selected, annotated list of writings. General Reference and Bibliography Division, Reference Dept., Library of Congress [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)U.S. Library of Congress. African Section و Helen Field Conover. Africa South of the Sahara: A Selected, Annotated List of Writings. Washington: General Reference and Bibliography Division, Reference Dept., Library of Congress [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.], 1964.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)U.S. Library of Congress. African Section و Helen Field Conover. Africa South of the Sahara: A Selected, Annotated List of Writings. General Reference and Bibliography Division, Reference Dept., Library of Congress [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.], 1964.