Combs, J. A., & Combs, A. G. (1997). The history of American foreign policy (2nd ed.). McGraw-Hill.
Citace podle Chicago (17th ed.)Combs, Jerald A., a Arthur G. Combs. The History of American Foreign Policy. 2nd ed. New York: McGraw-Hill, 1997.
Citace podle MLA (8th ed.)Combs, Jerald A., a Arthur G. Combs. The History of American Foreign Policy. 2nd ed. McGraw-Hill, 1997.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..