APA (7th ed.) Zitazioa
Dolbearre, K. M. (1981). American political thought. Duxbury press.
Chicago Style (17th ed.) Zitazioa
Dolbearre, Kenneth M. American Political Thought. California: Duxbury press, 1981.
MLA (9th ed.) Zitazioa
Dolbearre, Kenneth M. American Political Thought. Duxbury press, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.