Hegghammer, Thomas (2009). Jihadi Salafis or Revolutionaries: On Religion and Politics in the Study of Islamist Militancy, i R Meijer (ed), Global Salafism: Islam's New Religious Movement, London/New York: Hurst/Columbia University Press, s. 244-66.
(2009).London/New York: Hurst/Columbia University Press
Les artikkelen her: Global Salafism: Islam's New Religious Movement