APA (7e ed.) Bronvermelding

Cole, J. (1967). A geography of the U.S.S.R. Penguin.

Chicago (17e ed.) Bronvermelding

Cole, John. A Geography of the U.S.S.R. Middlesex: Penguin, 1967.

MLA (9e ed.) Bronvermelding

Cole, John. A Geography of the U.S.S.R. Penguin, 1967.