Παραπομπή σε μορφή APA (7η εκδ.)

Coplin, W. D. (1971). A multi-method introduction to international politics: Observation,explanation,and prescription. Makham.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Coplin, William D. A Multi-method Introduction to International Politics: Observation,explanation,and Prescription. Chicago: Makham, 1971.

Παραπομπή σε μορφή MLA (9th εκδ.)

Coplin, William D. A Multi-method Introduction to International Politics: Observation,explanation,and Prescription. Makham, 1971.