* {{cite bookCita libro| last cognome= Elad | first nome= Amikam | chapter capitolo= The Siege of al-Wāsiṭ (132/749): Some Aspects of ʿAbbāsid and ʿAlīd Relations at the Beginning of ʿAbbāsid Rule | editorcuratore-last cognome= Sharon | editorcuratore-first nome= Moshe | title titolo= Studies in Islamic History and Civilization: In Honour of Professor David Ayalon | ___location città= Jerusalem and Leiden | year anno= 1986 | publisher editore= Can | isbn = 965-264-014-X | pages pp= 59–90 | chapterurl urlcapitolo= https://books.google.com/books?id=ulo7Tz5_12IC&pg=PA59}}
*''The History of al-Tabari'', volume 27. [url = https://books.google.com/books?id=gtMSxL9DJrkC, pp. 185–191]