APA aipamena

Gregory, J., & Horrabin, J. (1946). Land of the Soviets. New York: Penguin.

Chicago Style aipamena

Gregory, J.S, and J.F Horrabin. Land of the Soviets. New York: Penguin, 1946.

MLA aipamena

Gregory, J.S, and J.F Horrabin. Land of the Soviets. New York: Penguin, 1946.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.