APA (7th ed.) Zitazioa

Kegley, C. W., & BY Wittkopf , . E. R. (1983). Perspectives on American foreign policy: Selected readings. St. Martin's Pr..

Chicago Style (17th ed.) Zitazioa

Kegley, Charles W., eta Eugene R. BY Wittkopf. Perspectives on American Foreign Policy: Selected Readings. New York: St. Martin's Pr., 1983.

MLA (9th ed.) Zitazioa

Kegley, Charles W., eta Eugene R. BY Wittkopf. Perspectives on American Foreign Policy: Selected Readings. St. Martin's Pr., 1983.