Fagan, B. M. (2008). The great warming: Climate change and the rise and fall of civilizations (1st U.S. ed.). Bloomsbury Press : Distributed to the trade by Macmillan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFagan, Brian M. The Great Warming: Climate Change and the Rise and Fall of Civilizations. 1st U.S. ed. New York: Bloomsbury Press : Distributed to the trade by Macmillan, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFagan, Brian M. The Great Warming: Climate Change and the Rise and Fall of Civilizations. 1st U.S. ed. Bloomsbury Press : Distributed to the trade by Macmillan, 2008.
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