Dyfyniad APA

Northedge , F., & By Grieve , M. J. (1971). A hundred years of international relations. Duckworth.

Dyfyniad Arddull Chicago

Northedge , F.S, and M. J. By Grieve. A Hundred Years of International Relations. London: Duckworth, 1971.

Dyfyniad MLA

Northedge , F.S, and M. J. By Grieve. A Hundred Years of International Relations. Duckworth, 1971.

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