APA (7th ed.) Zitazioa
Ward, A. (2008). Game character development. Course Technology.
Chicago Style (17th ed.) Zitazioa
Ward, Antony. Game Character Development. Boston, MA: Course Technology, 2008.
MLA (9th ed.) Zitazioa
Ward, Antony. Game Character Development. Course Technology, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.