Wilson, J. Q., & DiIulio, J. J., Jr. (1995). American government: The essentials (6th ed.). D.C. Heath.
芝加哥风格引文Wilson, James Q., 与 John J. DiIulio, Jr. American Government: The Essentials. 6th ed. Lexington, Mass.: D.C. Heath, 1995.
MLA引文Wilson, James Q., 与 John J. DiIulio, Jr. American Government: The Essentials. 6th ed. D.C. Heath, 1995.
警告：这些引文格式不一定是100％准确.