Kennedy, H., & Barbir, K. K. (2003). The Prophet and the age of the Caliphates: The Islamic Near East from the sixth to the eleventh century (2nd ed.). Longman.
Lua i Stíl Chicago (17ú heag.)Kennedy, Hugh, agus Karl K. Barbir. The Prophet and the Age of the Caliphates: The Islamic Near East from the Sixth to the Eleventh Century. 2nd ed. Harlow: Longman, 2003.
Lua MLA (8ú heag.)Kennedy, Hugh, agus Karl K. Barbir. The Prophet and the Age of the Caliphates: The Islamic Near East from the Sixth to the Eleventh Century. 2nd ed. Longman, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.