Bjørgo, Tore. ‘Root Causes of Terrorism: Myths, Reality and Ways Forward’. Hoboken: Taylor and Francis, 2005. Web. <https://ebookcentral.proquest.com/lib/bilibrary/detail.action?docID=199597>.
Cronin, Audrey Kurth. How Terrorism Ends: Understanding the Decline and Demise of Terrorist Campaigns. Princeton, N.J.: Princeton University Press. Web. <https://ebookcentral.proquest.com/lib/bilibrary/detail.action?docID=517059>.
David Kilcullen. ‘Internationale’. Blood Year: Islamic State and the Failures of the War on Terror. London: Hurst, 2016. 111–125. Print.
David, Steven R. ‘Israel’s Policy of Targeted Killing’. Ethics & International Affairs 17.1 (2003): n. pag. Web. <https://search.proquest.com/docview/200504975?OpenUrlRefId=info:xri/sid:primo&accountid=142923>.
English, Richard. Terrorism: How to Respond. Oxford: Oxford University Press, 2009. Print.
Hart, Paul ’t et al. ‘How to Deal with Crisis: Lessons for Prudent Leadership’. The Politics of Crisis Management: Public Leadership under Pressure. Cambridge: Cambridge University Press, 2005. 137–157. Print.
Hoffman, Bruce. Inside Terrorism. Third Edition. Columbia studies in terrorism and irregular warfare. New York: Columbia University Press, 2017. Print.
Jason Burke. ‘Al-Quaeda and the Origins of ISIS’. The New Threat : From Islamic Militancy. London: Bodley Head, 2015. 56–79. Print.
Jensen, Richard Bach. ‘The Pre-1914 Anarchist "Lone Wolf” Terrorist and Governmental Responses’. Terrorism and Political Violence 26.1 (2014): 86–94. Print.
Max Abrahms. ‘Why Terrorism Does Not Work’. International Security 31.2 (2006): 42–78. Web. <https://www.jstor.org/stable/4137516>.
Nesser, Petter. ‘Islamist Terrorism in Europe’. Revised and updated edition. London: Hurst & Company, 2018. Web. <https://ebookcentral.proquest.com/lib/bilibrary/detail.action?pq.origsite=primo&docID=5497201>.
Neumann, Peter. ‘Foreign Fighters’. Radicalized: New Jihadists and the Threat to the West. London: I.B. Tauris, 2016. 85–109. Print.
Parker, Tom. Avoiding the Terrorist Trap: Why Respect for Human Rights Is the Key to Defeating Terrorism. New Jersey: World Scientific, 2018. Print.
Parker, Tom, and Nick Sitter. ‘The Four Horsemen of Terrorism: It’s Not Waves, It’s Strains’. Terrorism and Political Violence 28.2 (2016): 197–216. Web.
Rapoport, David C. ‘Sacred Terror : A Contemporary Example from Islam’. Origins of Terrorism : Psychologies, Ideologies, Theologies, States of Mind. Ed. Walter Reich. Cambridge: Woodrow Wilson International Center for Scholars, 1990. 103–130. Print.
Rapport, David C. ‘The Four Waves of Modern Terrorism’. Terrorism Studies: A Reader. London: Routledge, 2012. 41–60. Print.
Richardson, Louise. ‘The Three R’s: Revenge, Renown and Reaction’. What Terrorists Want: Understanding the Enemy, Containing the Threat. New York: Random HouseTrade Paperbacks, 2007. 71–103. Print.
Sageman, Marc. ‘Leaderless Jihad : Terror Networks in the Twenty-First Century’. Philadelphia, PA, USA: University of Pennsylvania Press, Inc, 20080101. Web. <https://ebookcentral.proquest.com/lib/bilibrary/detail.action?docID=3441784>.
Sitter, Nick, and Tom Parker. ‘Fighting Fire with Water: NGOs and Counterterrorism Policy Tools’. Global Policy 5.2 (2014): 159–168. Print.
Thomas Hegghammer. ‘The Rise of Muslim Foreign Fighters: Islam and the Globalization of Jihad’. International Security 35.3 (2010): 53–94. Web. <https://www.jstor.org/stable/40981252>.
Weinberg, Leonard. The End of Terrorism? London: Routledge, 2012. Web. <https://ebookcentral.proquest.com/lib/bilibrary/detail.action?docID=958770>.