Wilkinson, P. (2007). International Relations: A Very Short Introduction (1st.). Oxford.
Cita Chicago (17th ed.)Wilkinson, Paul. International Relations: A Very Short Introduction. 1st. Oxford, 2007.
Cita MLA (9th ed.)Wilkinson, Paul. International Relations: A Very Short Introduction. 1st. Oxford, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.