Cooper, P. M. M. (2024). Fall of civilizations: Stories of greatness and decline. Hanover Square Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCooper, Paul M. M. Fall of Civilizations: Stories of Greatness and Decline. New York, NY: Hanover Square Press, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCooper, Paul M. M. Fall of Civilizations: Stories of Greatness and Decline. Hanover Square Press, 2024.
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