Conradt, D. P. (1996). The German polity (6th ed.). Longman.
芝加哥风格引文Conradt, David P. The German Polity. 6th ed. White Plains, N.Y: Longman, 1996.
MLA引文Conradt, David P. The German Polity. 6th ed. Longman, 1996.
警告：这些引文格式不一定是100％准确.
APA引文