1. Schmid, Alex P.Jongman, Albert J. 1988.Political Terrorism: A New Guide to Actors, Authors, Concepts, Data Bases, Theories, and Literature, 48Amsterdam: North Holland Publishing Company.
2. Simon, Jeffrey D. 1994.The Terrorist Trap, 191Bloomington and Indianapolis: Indiana University Press.
3. Simon.The Terrorist Trap331
4. Kupperman, Robert and Kamen, Jeff. 1989.Final Warning: Averting Disaster in the New Age of Terrorism, ixNew York: Doubleday.