Pritchard,John M. (1979). Africa: Study geography for advanced students (3thd ed.). Longman.
芝加哥风格引文Pritchard,John M. Africa: Study Geography for Advanced Students. 3thd ed. Burnt: Longman, 1979.
MLA引文Pritchard,John M. Africa: Study Geography for Advanced Students. 3thd ed. Longman, 1979.
警告：这些引文格式不一定是100％准确.