Horgan, John. "
Individual Disengagement: A Psychological Analysis." In
Leaving Terrorism Behind, 17-29. Oxon and New York: Routledge, 2009.
Põldaru, Kadri. Infosõda – Eesti ekspertide visioon ja kogemus In
Sotsiaalteaduskond, Ajakirjanduse ja kommunikatsiooni instituut. Vol. Magistritöö. Tartu: Tartu Ülikool, 2009.
Danilin, Ivan V.. International Technology Polices and Multipolarity: A Case of Russian ‘Technology Alliances’ Strategy In
paper presented at the annual meeting of the ISA–ABRI Joint International Meeting. Rio de Janeiro, Brazil: Pontifical Catholic University, 2009.
G., Weimann. The Internet as a Terrorist Tool to Recruit Youth. Arlington: Youth Recruitment & Radicalization Roundtable, 2009.
Grevi, Giovanni. The Interpolar World: A New Scenario In
Occasional Papers. Vol. 79. EU Institute for Security Studies, 2009.