Nyrop, Richard F.; Studies, American University (Washington, D. C. ) Foreign Area (1973). Area Handbook for Libya. U.S. Government Printing Office.{{cite book}}: CS1 maint: multiple names: authors list (link)
Syed, Muzaffar Husain; Akhtar, Syed Saud; Usmani, B. D. (2011-09-14). Concise History of Islam. Vij Books India Pvt Ltd. p. 437. ISBN978-93-82573-47-0. Archived from the original on 2023-03-31. Retrieved 2023-04-16.
Syed, Muzaffar Husain; Akhtar, Syed Saud; Usmani, B. D. (2011-09-14). Concise History of Islam. Vij Books India Pvt Ltd. p. 437. ISBN978-93-82573-47-0. Archived from the original on 2023-03-31. Retrieved 2023-04-16.