APA (7th ed.) Zitazioa

Winters, J. A. (2011). Oligarchy. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Winters, Jeffrey A. Oligarchy. Cambridge [England] ; New York: Cambridge University Press, 2011.

MLA (9th ed.) Zitazioa

Winters, Jeffrey A. Oligarchy. Cambridge University Press, 2011.