Gaya APA

Diez, I, E, J, S, L, P, T. (2010). An introduction to international relations theory perspectives and themes (3). London: routledge.

Gaya MLA

Diez, Imad, El-Anis;, Jill, Steans;, Lloyd, Pettiford;, Thomas. "An introduction to international relations theory perspectives and themes". 3 London: routledge, 2010. Text.