Combs, J. A. (1986). The history of American foreign policy. Knopf.
Chicagoスタイル(17版)引用形式Combs, Jerald A. The History of American Foreign Policy. New York: Knopf, 1986.
MLA(8版)引用形式Combs, Jerald A. The History of American Foreign Policy. Knopf, 1986.
警告: この引用は必ずしも正確ではありません.