1. Acharya, A. (2014). The end of American world order. Cambridge: Polity Press.
2. Adler, E. (2008). The spread of security communities: Communities of practice, self-restraint, and NATO’s post-Cold War transformation. European Journal of International Relations, 14(2), 195–230.
3. Bergsten, C. F. (1997). Open regionalism. Peterson Institute for International Economics. (Working paper 97-3). https://piie.com/publications/working-papers/open-regionalism . Accessed 27 June 2017.
4. Bremmer, I. (2012). Every nation for itself: Winners and losers in a g-zero world. New York: Portfolio.
5. Bremmer, I. (2016, Fall). After the G-zero: Overcoming fragmentation. Eurasia Group: Politics First, pp, 3–23. https://www.imf.org/external/np/seminars/eng/2016/globalshifts/pdf/After_the_GZero.pdf . Accessed 27 June 2017.