Bjørgo, Tore. 2005. ‘Root Causes of Terrorism: Myths, Reality and Ways Forward’. In . Hoboken: Taylor and Francis. https://ebookcentral.proquest.com/lib/bilibrary/detail.action?docID=199597.
Cronin, Audrey Kurth. n.d. How Terrorism Ends: Understanding the Decline and Demise of Terrorist Campaigns. Princeton, N.J.: Princeton University Press. https://ebookcentral.proquest.com/lib/bilibrary/detail.action?docID=517059.
David Kilcullen. 2016. ‘Internationale’. In Blood Year: Islamic State and the Failures of the War on Terror, 111–25. London: Hurst.
David, Steven R. 2003. ‘Israel’s Policy of Targeted Killing’. Ethics & International Affairs 17 (1). https://search.proquest.com/docview/200504975?OpenUrlRefId=info:xri/sid:primo&accountid=142923.
English, Richard. 2009. Terrorism: How to Respond. Oxford: Oxford University Press.
Hart, Paul ’t, Arjen Boin, Eric Stern, and Bengt Sundelius. 2005. ‘How to Deal with Crisis: Lessons for Prudent Leadership’. In The Politics of Crisis Management: Public Leadership under Pressure, 137–57. Cambridge: Cambridge University Press.
Hoffman, Bruce. 2017. Inside Terrorism. Third Edition. Vol. Columbia studies in terrorism and irregular warfare. New York: Columbia University Press.
Jason Burke. 2015. ‘Al-Quaeda and the Origins of ISIS’. In The New Threat : From Islamic Militancy, 56–79. London: Bodley Head.
Jensen, Richard Bach. 2014. ‘The Pre-1914 Anarchist "Lone Wolf” Terrorist and Governmental Responses’. Terrorism and Political Violence 26 (1): 86–94.
Max Abrahms. 2006. ‘Why Terrorism Does Not Work’. International Security 31 (2): 42–78. https://www.jstor.org/stable/4137516.
Nesser, Petter. 2018. ‘Islamist Terrorism in Europe’. In , Revised and updated edition. London: Hurst & Company. https://ebookcentral.proquest.com/lib/bilibrary/detail.action?pq.origsite=primo&docID=5497201.
Neumann, Peter. 2016. ‘Foreign Fighters’. In Radicalized: New Jihadists and the Threat to the West, 85–109. London: I.B. Tauris.
Parker, Tom. 2018. Avoiding the Terrorist Trap: Why Respect for Human Rights Is the Key to Defeating Terrorism. New Jersey: World Scientific.
Parker, Tom, and Nick Sitter. 2016. ‘The Four Horsemen of Terrorism: It’s Not Waves, It’s Strains’. Terrorism and Political Violence 28 (2): 197–216. https://doi.org/10.1080/09546553.2015.1112277.
Rapoport, David C. 1990. ‘Sacred Terror : A Contemporary Example from Islam’. In Origins of Terrorism : Psychologies, Ideologies, Theologies, States of Mind, edited by Walter Reich, 103–30. Cambridge: Woodrow Wilson International Center for Scholars.
Rapport, David C. 2012. ‘The Four Waves of Modern Terrorism’. In Terrorism Studies: A Reader, 41–60. London: Routledge.
Richardson, Louise. 2007. ‘The Three R’s: Revenge, Renown and Reaction’. In What Terrorists Want: Understanding the Enemy, Containing the Threat, 71–103. New York: Random HouseTrade Paperbacks.
Sageman, Marc. 20080101. ‘Leaderless Jihad : Terror Networks in the Twenty-First Century’. In . Philadelphia, PA, USA: University of Pennsylvania Press, Inc. https://ebookcentral.proquest.com/lib/bilibrary/detail.action?docID=3441784.
Sitter, Nick, and Tom Parker. 2014. ‘Fighting Fire with Water: NGOs and Counterterrorism Policy Tools’. Global Policy 5 (2): 159–68.
Thomas Hegghammer. 2010. ‘The Rise of Muslim Foreign Fighters: Islam and the Globalization of Jihad’. International Security 35 (3): 53–94. https://www.jstor.org/stable/40981252.
Weinberg, Leonard. 2012. The End of Terrorism? London: Routledge. https://ebookcentral.proquest.com/lib/bilibrary/detail.action?docID=958770.