Dyfyniad APA

Schulzinger, R. D. (1994). American diplomacy in the twentieth century (3a. ed.). Oxford University Press.

Dyfyniad Arddull Chicago

Schulzinger, Robert D. American Diplomacy in the Twentieth Century. 3a. ed. Nueva York: Oxford University Press, 1994.

Dyfyniad MLA

Schulzinger, Robert D. American Diplomacy in the Twentieth Century. 3a. ed. Oxford University Press, 1994.

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