APA aipamena

Heywood,Andrew. (2003). Politics (2.). Palgrave.

Chicago Style aipamena

Heywood,Andrew. Politics. 2. New York: Palgrave, 2003.

MLA aipamena

Heywood,Andrew. Politics. 2. Palgrave, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.