ebrary, Inc, Duyan, A., & Kibaroğlu, M. (2011). Defence against terrorism. IOS Press.

ebrary, Inc, Adil Duyan, and Mustafa Kibaroğlu. Defence Against Terrorism. Amsterdam ; Washington, D.C.: IOS Press, 2011.

ebrary, Inc, et al. Defence Against Terrorism. IOS Press, 2011.