1. AFP and Times of Israel Staff (2015) ‘Middle East Leaders Flock to Moscow for Syrian Talks, Arms Deals’, The Times of Israel, 25 August.
http://www.timesofisrael.com/middle-east-leaders-flock-to-moscow-for-syrian-talks-arms-deals/
2. Amos, Howard (2015) ‘Middle East Leaders Line Up for Putin’, The Moscow Times, 23 September.
http://www.themoscowtimes.com/news/article/middle-east-leaders-line-up-for-putin/535110.html
3. Ashford, Emma (2016) ‘Not-So-Smart Sanctions: The Failure of Western Restrictions Against Russia’, Foreign Affairs, vol. 95, no. 1, pp. 114–123.
4. Berryman, John (2011) ‘Russia, NATO Enlargement, and “Regions of Privileged Interests”’, in Roger E. Kanet, ed., Russian Foreign Policy in the 21st Century. Basingstoke: Palgrave Macmillan, pp. 228–246.
5. Brannen, Kate (2015) ‘Russians are Joining ISIS in Droves’, The Daily Beast, 7 December.
http://www.thedailybeast.com/articles/2015/12/07/russians-are-joining-isis-in-droves.html