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