Morrison, D. G. (1972). Black Africa: A comparative handbook. Free Press.
Cita Chicago (17th ed.)Morrison, Donald George. Black Africa: A Comparative Handbook. New York: Free Press, 1972.
Cita MLA (9th ed.)Morrison, Donald George. Black Africa: A Comparative Handbook. Free Press, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.