APA (7th ed.) Zitazioa
Shapiro, I. (2003). The state of democratic theory. Princeton University Press.
Chicago Style (17th ed.) Zitazioa
Shapiro, Ian. The State of Democratic Theory. Princeton, N.J.: Princeton University Press, 2003.
MLA (9th ed.) Zitazioa
Shapiro, Ian. The State of Democratic Theory. Princeton University Press, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.