APA (7th ed.) Zitazioa

O'Sullivan, A. (1996). Urban economics (3rd ed.). Irwin.

Chicago Style (17th ed.) Zitazioa

O'Sullivan, Arthur. Urban Economics. 3rd ed. Chicago: Irwin, 1996.

MLA (9th ed.) Zitazioa

O'Sullivan, Arthur. Urban Economics. 3rd ed. Irwin, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.