Dyfyniad APA

Bill, J. A. (1997). George Ball: Behind the scenes in U.S. foreign policy. New Haven: Yale University Press.

Dyfyniad Arddull Chicago

Bill, James A. George Ball: Behind the Scenes in U.S. Foreign Policy. New Haven: Yale University Press, 1997.

Dyfyniad MLA

Bill, James A. George Ball: Behind the Scenes in U.S. Foreign Policy. New Haven: Yale University Press, 1997.

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