* Khalid Yahya Blankinship, ''The End of the Jihad State'' (2003)
*{{Oxford Dictionary of Byzantium|ad=Clive F.W.|soyadı=Foss|başlık=Akroinon|sayfalar=48}}
*{{Kitap kaynağı|lastsoyadı=Herrin|firstad=Judith|chapterbölüm=The Context of Iconoclast Reform|titlebaşlık=Iconoclasm. Papers given at the Ninth Spring Symposium of Byzantine Studies, University of Birmingham, March 1975|editor1-first=Anthony|editor1-last=Bryer|editor2editör2-firstad=Judith|editor2editör2-lastsoyadı=Herrin|yearyıl=1977|pagessayfalar=15–20|isbn=0-7044-0226-2|ref=harv}}
*{{Kitap kaynağı|lastsoyadı=Kaegi|firstad=Walter Emil|titlebaşlık=Army, Society, and Religion in Byzantium|yearyıl=1982|location=London|publisheryayıncı=Variorum Reprints|isbn=978-0-86078-110-3|url=https://books.google.com/books?id=ZEhoAAAAMAAJ|ref=harv}}
*{{Prosopographie der mittelbyzantinischen Zeit|volume=A1|title='Abdallāh al-Baṭṭāl (# 15)|pages=5–6}}
*{{Kitap kaynağı|last1soyadı1=Morrisson|first1ad1=Cécile|author1-link=Cécile Morrisson|last2soyadı2=Cheynet|first2ad2=Jean-Claude|titlebaşlık=Le monde byzantin, Tome II: L'Empire byzantin, 641–1204|location=Paris|publisheryayıncı=Presses Universitaires de France|yearyıl=2006|languagedil=FrenchFransızca|isbn=978-2-13-052007-8|url=https://books.google.com/books?id=aE9oAAAAMAAJ|ref=harv}}
*{{Kitap kaynağı|lastsoyadı=Turtledove|firstad=Harry|authorlink=Harry Turtledove|titlebaşlık=The Chronicle of Theophanes: An English Translation of ''anni mundi'' 6095–6305 (A.D. 602–813)|location=Philadelphia, Pennsylvania|publisheryayıncı=University of Pennsylvania Press|yearyıl=1982|url=https://books.google.com/books?id=lK5wIPb4Vi4C|isbn=978-0-8122-1128-3|ref=harv}}
