APA aipamena

Johnson, C. O. (1946). American national goverment. New York: Thomas Y. Crowell Company.

Chicago Style aipamena

Johnson, Claudius O. American National Goverment. New York: Thomas Y. Crowell Company, 1946.

MLA aipamena

Johnson, Claudius O. American National Goverment. New York: Thomas Y. Crowell Company, 1946.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.