Mohammed Hayes, J. (2010). Saudi Arabia and the events of September 11, 2001, the historical roots of terrorism intellectual and political. Alustath, 6(51), 167-192.

Jassim Mohammed Hayes. "Saudi Arabia and the events of September 11, 2001, the historical roots of terrorism intellectual and political". Alustath, 6, 51, 2010, 167-192.

Mohammed Hayes, J. (2010). 'Saudi Arabia and the events of September 11, 2001, the historical roots of terrorism intellectual and political', Alustath, 6(51), pp. 167-192.

Mohammed Hayes, J. Saudi Arabia and the events of September 11, 2001, the historical roots of terrorism intellectual and political. Alustath, 2010; 6(51): 167-192.