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. Akerlof, G. A., & Shiller, R. J. (2009). Animal spirits: How human psychology drives the economy and why it matters for global capitalism. Princeton: Princeton University Press.
4. Alderman, L., & Ewing, J. (2015, July 6). Rift emerges as Europe gears up for new talks on Greece bailout. New York Times. http://www.nytimes.com/2015/07/07/business/international/yanis-varoufakis-abruptly-resigns-as-greek-finance-minister.html . Accessed 27 June 2017.
5. Alesina, A. (2010, April 15). Fiscal adjustments: Lessons from recent history. Presentation prepared for the Ecofin meeting, Madrid. http://scholar.harvard.edu/files/alesina/files/fiscaladjustments_lessons-1.pdf . Accessed 27 June.