APA (7th ed.) Zitazioa
Ferrell, R. H. (1969). American diplomacy: A history (Rev., and expanded ed.). Norton.
Chicago Style (17th ed.) Zitazioa
Ferrell, Robert H. American Diplomacy: A History. Rev., and expanded ed. New York: Norton, 1969.
MLA (9th ed.) Zitazioa
Ferrell, Robert H. American Diplomacy: A History. Rev., and expanded ed. Norton, 1969.
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