^De Haeresibus by John of Damascus. See Migne 《希臘人教父(英語:Patrologia Graeca)》, vol. 94, 1864, cols 763–73. An English translation by the Reverend John W Voorhis appeared in The Moslem World for October 1954, pp. 392–98.
Cohen, Mark R. Under Crescent and Cross. Princeton University Press; Reissue edition. 1995. ISBN 978-0-691-01082-3.
Lockman, Zachary. Contending Visions of the Middle East: The History and Politics of Orientalism. Cambridge University Press. 2004. ISBN 978-0-521-62937-9.
Westerlund, David. Ahmed Deedat's Theology of Religion: Apologetics through Polemics. Journal of Religion in Africa. 2003, 33 (3): 263. doi:10.1163/157006603322663505.