APA (7th ed.) Zitazioa
Spanier, J. W. (1988). American foreign policy since World War II (11th ed.). CQ Press.
Chicago Style (17th ed.) Zitazioa
Spanier, John W. American Foreign Policy Since World War II. 11th ed. Washington, D.C.: CQ Press, 1988.
MLA (9th ed.) Zitazioa
Spanier, John W. American Foreign Policy Since World War II. 11th ed. CQ Press, 1988.
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