APA (7th ed.) Zitazioa
Hoffman, V. J. (2012). The essentials of Ibadi Islam. Syracuse University Press.
Chicago Style (17th ed.) Zitazioa
Hoffman, Valerie J. The Essentials of Ibadi Islam. Syracuse, New York: Syracuse University Press, 2012.
MLA (9th ed.) Zitazioa
Hoffman, Valerie J. The Essentials of Ibadi Islam. Syracuse University Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.