APA (7th ed.) Zitazioa

Edited by Vocke , W. . C. (1976). American foreign policy: An analytical approach. The Free Pr..

Chicago Style (17th ed.) Zitazioa

Edited by Vocke , William C. American Foreign Policy: An Analytical Approach. New York: The Free Pr., 1976.

MLA (9th ed.) Zitazioa

Edited by Vocke , William C. American Foreign Policy: An Analytical Approach. The Free Pr., 1976.