Coplin, W. D. (1971). A multi-method introduction to international politics: Observation,explanation,and prescription. Makham.
Chicago-referens (17:e uppl.)Coplin, William D. A Multi-method Introduction to International Politics: Observation,explanation,and Prescription. Chicago: Makham, 1971.
MLA-referens (9:e uppl.)Coplin, William D. A Multi-method Introduction to International Politics: Observation,explanation,and Prescription. Makham, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.