1. Abbott K. W., Snidal D., Why States Act through Formal International Organizations, “The Journal of Conflict Resolution”, 1998, vol. 42, no. 1.
2. Agner M., The North Atlantic Treaty Organisation: An Alliance in Transition, [in:] International Organisations: Their Role in Conflict Management, P. D. Thruelsen (ed.), Copenhagen 2009.
3. American Public Attitudes Towards ISIS and Syria, http://www.brookings.edu/~/media/Research/Files/Reports/2015/01/08%20american%20opinion%20poll%20isis%20syria%20telhami/isis_report.pdf.
4. Archer C., International Organizations, London-New York 2001.
5. Bandow D., Will NATO Intervene in Syria?, “National Interest”, 9.10.2012.