APA (7th ed.) Zitazioa
Charlton, R. (1986). Comparative government. Longman.
Chicago Style (17th ed.) Zitazioa
Charlton, Roger. Comparative Government. London: Longman, 1986.
MLA (9th ed.) Zitazioa
Charlton, Roger. Comparative Government. Longman, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.