↑ 2002, Fred halliday, Two hours that shook the world, p. 97
↑ Kollontai, Pauline (2007). Community Identity: Dynamics of Religion in Context. p. 254.
↑ Seid, Amine (2011). Islamic Terrorism and the Tangential Response of the West. p. 39.
↑ Goknar, Erdag (2013). Orhan Pamuk, Secularism and Blasphemy. p. 219.
↑ Arasteh, Kamyar (2004). The American Reichstag. p. 94.
↑ Dressler, Markus (2011). Secularism and Religion-Making. p. 250.
↑ Kaim, Markus (2013). Great Powers and Regional Orders. p. 157.
↑ 2013, Glen Perry, The International Relations of the Contemporary Middle East, p. 161
↑ Toyin Falola – 2001, Violence in Nigeria: The Crisis of Religious Politics and Secular Ideologies, p. 240, "Anti-Sufism itself is therefore a marker of identity, and the formation of the Izala proves this beyond any reasonable doubt".
↑ Colonialism and Revolution in the Middle East, p. 197, Juan Ricardo Cole – 1999, "Ironically, the Sufi-phobia of the British consuls in the aftermath of 1857 led them to look in the wrong places for urban disturbances in the 1860s."
↑ 2005, Ahmed Hashim, Insurgency and Counter-insurgency in Iraq, Cornell University Press (2006), ISBN9780801444524
