Friedman, G. (2015). Flashpoints: The emerging crisis in Europe (First edition.). Doubleday.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFriedman, George. Flashpoints: The Emerging Crisis in Europe. First edition. New York: Doubleday, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFriedman, George. Flashpoints: The Emerging Crisis in Europe. First edition. Doubleday, 2015.
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