Choudhury, Tufyal. "The Terrorism Act 2006: Discouraging Terrorism." Extreme Speech and Democracy. : Oxford University Press, 2009-02-26. Oxford Scholarship Online. 2009-05-01. Date Accessed 21 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199548781.001.0001/acprof-9780199548781-chapter-24>.
Choudhury, T.(2009-02-26). The Terrorism Act 2006: Discouraging Terrorism. In Extreme Speech and Democracy. : Oxford University Press. Retrieved 21 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199548781.001.0001/acprof-9780199548781-chapter-24.
Choudhury, Tufyal. "The Terrorism Act 2006: Discouraging Terrorism." In Extreme Speech and Democracy. : Oxford University Press, 2009-02-26. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199548781.001.0001/acprof-9780199548781-chapter-24.
Choudhury T. The Terrorism Act 2006: Discouraging Terrorism. In: Hare I, Weinstein J. Extreme Speech and Democracy. Oxford University Press; 2009. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199548781.001.0001/acprof-9780199548781-chapter-24. Accessed May 21, 2013.