1. Zizek, Slavoj, The Plague of Fantasies (London: Verso, 1997)
2. Walker, R. B. J. ‘From International Relations to World Politics’, in J. A. Camilleri, A. P. Jarvis and A. J. Paolini (eds.), The State in Transition: Reimagining Political Space (Boulder, CO: Lynne Rienner, 1995), pp. 21–38
3. The Prussian Theory of the State;American Journal of International Law,1918
4. Waltz, Kenneth N., Theory of International Politics (Reading, MA: Addison-Wesley, 1979)
5. Security, Sovereignty, and the Challenge of World Politics