APA aipamena

Heywood Andrew. (2004). Political Theory (3rd.). Palgrave Mcmillan.

Chicago Style aipamena

Heywood Andrew. Political Theory. 3rd. New York: Palgrave Mcmillan, 2004.

MLA aipamena

Heywood Andrew. Political Theory. 3rd. Palgrave Mcmillan, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.