APA (7 वां संस्करण) प्रशस्ति पत्र
Kupchan, C. (2010). How enemies become friends: The sources of stable peace. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Kupchan, Charles. How Enemies Become Friends: The Sources of Stable Peace. Princeton, NJ ; Oxford: Princeton University Press, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Kupchan, Charles. How Enemies Become Friends: The Sources of Stable Peace. Princeton University Press, 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.