Butler, Paul. (2002). Foreword: Terrorism and Utilitarianism Lessons from, and for, Criminal Law. Journal of Criminal Law and Criminology, Vol. 93, Issue 1, p. 1.
Cetron, Marvin J. & Owen Davies. (March/April 2003). Trends Shaping the Future. Futurist, Vol. 37, Issue 2, p. 30.
Chalk, Peter. (1998). The Response to Terrorism as a Threat to Liberal Democracy. The Australian Journal of Politics and History. Vol. 44, Issue 3, p. 373.
Elnur, Ibrahim. (2003). 11 September and the Widening North-South Gap: Root Causes of Terrorism in the Global Order. Arab Studies Quarterly, Vol. 25, Issue 1-2, p. 57.