APA (7e ed.) Bronvermelding

Coppock, J. O. (1963). North Atlantic policy: The agricultural gap. Twentieth Century Fund.

Chicago (17e ed.) Bronvermelding

Coppock, John O. North Atlantic Policy: The Agricultural Gap. New York: Twentieth Century Fund, 1963.

MLA (8e ed.) Bronvermelding

Coppock, John O. North Atlantic Policy: The Agricultural Gap. Twentieth Century Fund, 1963.