Coplin, W. D. (1971). A multi-method introduction to international politics: Observation,explanation,and prescription. Makham.
Lua i Stíl Chicago (17ú heag.)Coplin, William D. A Multi-method Introduction to International Politics: Observation,explanation,and Prescription. Chicago: Makham, 1971.
Lua MLA (9ú heag.)Coplin, William D. A Multi-method Introduction to International Politics: Observation,explanation,and Prescription. Makham, 1971.
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