Wilkinson, P. (2007). International Relations: A Very Short Introduction (1st.). Oxford.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilkinson, Paul. International Relations: A Very Short Introduction. 1st. Oxford, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilkinson, Paul. International Relations: A Very Short Introduction. 1st. Oxford, 2007.
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