Combs, J. A., & Combs, A. G. (1997). The history of American foreign policy (2nd ed.). McGraw-Hill.
Chicagoスタイル(17版)引用形式Combs, Jerald A., , Arthur G. Combs. The History of American Foreign Policy. 2nd ed. New York: McGraw-Hill, 1997.
MLA(8版)引用形式Combs, Jerald A., , Arthur G. Combs. The History of American Foreign Policy. 2nd ed. McGraw-Hill, 1997.
警告: この引用は必ずしも正確ではありません.