APA (7th ed.) Zitazioa
Husain, S. A. (1977). The glorious caliphate. Academy of islamic research publication.
Chicago Style (17th ed.) Zitazioa
Husain, S. Athar. The Glorious Caliphate. lucknow-7(india): Academy of islamic research publication, 1977.
MLA (9th ed.) Zitazioa
Husain, S. Athar. The Glorious Caliphate. Academy of islamic research publication, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.