APA (7th ed.) Zitazioa
Sell, C. Historical development of the qur'an. People International.
Chicago Style (17th ed.) Zitazioa
Sell, Canon. Historical Development of the Qur'an. Chicago: People International.
MLA (9th ed.) Zitazioa
Sell, Canon. Historical Development of the Qur'an. People International.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.