APA (7 वां संस्करण) प्रशस्ति पत्र

May, E. R. (1978). "Lessons" of the past: The use and misuse of history in American foreign policy. Oxford University Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

May, Ernest R. "Lessons" of the Past: The Use and Misuse of History in American Foreign Policy. Oxford University Press, 1978.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

May, Ernest R. "Lessons" of the Past: The Use and Misuse of History in American Foreign Policy. Oxford University Press, 1978.

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