Coplin, W. D. (1971). A multi-method introduction to international politics: Observation,explanation,and prescription. Makham.
芝加哥风格引文Coplin, William D. A Multi-method Introduction to International Politics: Observation,explanation,and Prescription. Chicago: Makham, 1971.
MLA引文Coplin, William D. A Multi-method Introduction to International Politics: Observation,explanation,and Prescription. Makham, 1971.
警告：这些引文格式不一定是100％准确.