Sasanid soldiers in early Muslim society: The origins of Ayyaran and Futuwwa. Harrassowitz Verlag. 32. ISBN 3-447-03652-4. İ. Purdavud — A Brief Review
Modern Middle East & North Africa: D-K Por Philip Mattar, p. 860 см также Futuwwa Ami Isseroff. Arab Revolt (in Palestine) Arxivləşdirilib 2019-02-09 at