Antoine Borrut; Fred Donner (15 de mayo de 2005). «From Believers to Muslims: Confessional Self-Identity in the Early Islamic Community». Abstracta Iranica26. doi:10.4000/abstractairanica.2410.
Paul R. Powers (febrero de 2013). «Review of Muhammad and the Believers: At the Origins of Islam by Fred M. Donner». History of Religions52 (3): 306-308. JSTOR10.1086/66866.