APA (7th ed.) Zitazioa
Hills, H. (2003). Individual preferences in e-learning. Gower.
Chicago Style (17th ed.) Zitazioa
Hills, Howard. Individual Preferences in E-learning. Aldershot ; Burlington, Vt.: Gower, 2003.
MLA (9th ed.) Zitazioa
Hills, Howard. Individual Preferences in E-learning. Gower, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.