Humphreys, R. S. (1969). The Ayyubids of Damascus, 589-658/ 1193-1260: A principality in medieval Syria. University Microfilms International.
Lua i Stíl Chicago (17ú heag.)Humphreys, Richard Stephen. The Ayyubids of Damascus, 589-658/ 1193-1260: A Principality in Medieval Syria. Ann Arbor: University Microfilms International, 1969.
Lua MLA (9ú heag.)Humphreys, Richard Stephen. The Ayyubids of Damascus, 589-658/ 1193-1260: A Principality in Medieval Syria. University Microfilms International, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.