APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.