Wilkinson, P. (2007). International Relations: A Very Short Introduction (1st.). Oxford.
Lua i Stíl Chicago (17ú heag.)Wilkinson, Paul. International Relations: A Very Short Introduction. 1st. Oxford, 2007.
Lua MLA (9ú heag.)Wilkinson, Paul. International Relations: A Very Short Introduction. 1st. Oxford, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.