PAPP, D. S. (1988). Contemporary international relations: Frame work for understandin.-- ed.2. Macmillan.
芝加哥风格引文PAPP, Daniel S. Contemporary International Relations: Frame Work for Understandin.-- Ed.2. New York: Macmillan, 1988.
MLA引文PAPP, Daniel S. Contemporary International Relations: Frame Work for Understandin.-- Ed.2. Macmillan, 1988.
警告：这些引文格式不一定是100％准确.