Dyfyniad APA

Kegley, C. W., & BY Wittkopf , . E. R. (1983). Perspectives on American foreign policy: Selected readings. St. Martin's Pr..

Dyfyniad Arddull Chicago

Kegley, Charles W., and Eugene R. BY Wittkopf. Perspectives on American Foreign Policy: Selected Readings. New York: St. Martin's Pr., 1983.

Dyfyniad MLA

Kegley, Charles W., and Eugene R. BY Wittkopf. Perspectives on American Foreign Policy: Selected Readings. St. Martin's Pr., 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.