APA (7th ed.) Zitazioa
Kupchan, C. (2010). How enemies become friends: The sources of stable peace. Princeton University Press.
Chicago Style (17th ed.) Zitazioa
Kupchan, Charles. How Enemies Become Friends: The Sources of Stable Peace. Princeton, NJ ; Oxford: Princeton University Press, 2010.
MLA (9th ed.) Zitazioa
Kupchan, Charles. How Enemies Become Friends: The Sources of Stable Peace. Princeton University Press, 2010.
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