APA aipamena

Campbell, R. W. (1959). Tops and Gyroscopes. New York: Thomas Y. Crowell Co..

Chicago Style aipamena

Campbell, R. W. Tops and Gyroscopes. New York: Thomas Y. Crowell Co., 1959.

MLA aipamena

Campbell, R. W. Tops and Gyroscopes. New York: Thomas Y. Crowell Co., 1959.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.