[1]
R. H. Jackson, G. S2rensen, and J. M2ller, Introduction to international relations: theories and approaches, Seventh edition. Oxford, United Kingdom: Oxford University Press, 2019.
[2]
J. Baylis, S. Smith, and P. Owens, Eds., The globalization of world politics: an introduction to international relations, Seventh edition. Oxford, United Kingdom: Oxford University Press, 2017.
[3]
M. Griffiths, S. C. Roach, and M. S. Solomon, Fifty key thinkers in international relations, vol. Routledge key guides. London: Routledge, 2009 [Online]. Available: https://ebookcentral.proquest.com/lib/brunelu/detail.action?docID=369091
[4]
T. Dunne, M. Kurki, and S. Smith, Eds., International relations theories: discipline and diversity, Fourth edition. Oxford: Oxford University Press, 2016.