O'Brien, D. M. (2005). Constitutional law and politics (6th ed.). W.W. Norton.
芝加哥风格引文O'Brien, David M. Constitutional Law and Politics. 6th ed. New York: W.W. Norton, 2005.
MLA引文O'Brien, David M. Constitutional Law and Politics. 6th ed. W.W. Norton, 2005.
警告：这些引文格式不一定是100％准确.