APA (7e ed.) Bronvermelding

Gregory, J. S., & Horrabin, J. (1946). Land of the Soviets: By James S. Gregory. Penguin Books.

Chicago (17e ed.) Bronvermelding

Gregory, James S., en J.F Horrabin. Land of the Soviets: By James S. Gregory. Harmondsworth;New York: Penguin Books, 1946.

MLA (8e ed.) Bronvermelding

Gregory, James S., en J.F Horrabin. Land of the Soviets: By James S. Gregory. Penguin Books, 1946.