Morrison, D. G. (1972). Black Africa: A comparative handbook. Free Press.
芝加哥风格引文Morrison, Donald George. Black Africa: A Comparative Handbook. New York: Free Press, 1972.
MLA引文Morrison, Donald George. Black Africa: A Comparative Handbook. Free Press, 1972.
警告：这些引文格式不一定是100％准确.