Schubel, Vernon James. “Muhammad and the Believers at the Origins of Islam: By Fred M. Donner (Cambridge, MA, Harvard University Press, 2010, hbk., 280 Pages)”. American Journal of Islam and Society 28, no. 3 (July 1, 2011): 145–147. Accessed July 8, 2024. https://mail.ajis.org/index.php/ajiss/article/view/1244.