^Augustus Richard Norton؛ Joseph A. Kéchichian (2009). «Terrorism». لە John L. Esposito (ed.). The Oxford Encyclopedia of the Islamic World. Oxford: Oxford University Press. ژپنک٩٧٨٠١٩٥٣٠٥١٣٥.(خۆتۆمارکردن پێویستە)
^Thomas Hegghammer (2013). «Terrorism». لە Gerhard Böwering, Patricia Crone (ed.). The Princeton Encyclopedia of Islamic Political Thought. Princeton University Press. لاپەڕە 545–547.