Donelan, M. (1978). The Reason of states: A study in international political theory. George Allen and Unwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDonelan, Michael. The Reason of States: A Study in International Political Theory. George Allen and Unwin, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDonelan, Michael. The Reason of States: A Study in International Political Theory. George Allen and Unwin, 1978.
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