APA (7th ed.) Zitazioa
Coplin, W. D. (1971). Introduction to international politics: A theoretical overview. Markham Pub. Co.
Chicago Style (17th ed.) Zitazioa
Coplin, William D. Introduction to International Politics: A Theoretical Overview. Chicago: Markham Pub. Co, 1971.
MLA (9th ed.) Zitazioa
Coplin, William D. Introduction to International Politics: A Theoretical Overview. Markham Pub. Co, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.