APA (7th ed.) Zitazioa

Wagner. Producing Excellence. Rutgers University Press.

Chicago Style (17th ed.) Zitazioa

Wagner. Producing Excellence. Rutgers University Press.

MLA (9th ed.) Zitazioa

Wagner. Producing Excellence. Rutgers University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.