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Dyfyniad Arddull ChicagoGraebner, Norman.A. Cold War Diplomacy: American Foreign Policy,1945-1975. 2nd.ed. New York: D.Van Nostrand, 1977.
Dyfyniad MLAGraebner, Norman.A. Cold War Diplomacy: American Foreign Policy,1945-1975. 2nd.ed. D.Van Nostrand, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.