Bill, J. A. (1997). George Ball: Behind the scenes in U.S. foreign policy. New Haven: Yale University Press.
Παραπομπή Chicago StyleBill, James A. George Ball: Behind the Scenes in U.S. Foreign Policy. New Haven: Yale University Press, 1997.
Παραπομπή MLABill, James A. George Ball: Behind the Scenes in U.S. Foreign Policy. New Haven: Yale University Press, 1997.
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