APA (7th ed.) Zitazioa
ebrary, Inc, Green, P. M., & Holli, M. G. (2013). The mayors: The Chicago political tradition (4th ed.). Southern Illinois University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Paul Michael Green, eta Melvin G. Holli. The Mayors: The Chicago Political Tradition. 4th ed. Carbondale: Southern Illinois University Press, 2013.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. The Mayors: The Chicago Political Tradition. 4th ed. Southern Illinois University Press, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.