Lings, M. (1991). Muhammad: His life based on the earliest sources. The Islamic Texts Society, Millat book centre.
Chicago-referens (17:e uppl.)Lings, Martin. Muhammad: His Life Based on the Earliest Sources. Cambridge ; India: The Islamic Texts Society, Millat book centre, 1991.
MLA-referens (8:e uppl.)Lings, Martin. Muhammad: His Life Based on the Earliest Sources. The Islamic Texts Society, Millat book centre, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.