Engle, C. (2017). Running man: A memoir of ultra-endurance (First Scribner trade paperback edition September 2017.). Scribner.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEngle, Charlie. Running Man: A Memoir of Ultra-endurance. First Scribner trade paperback edition September 2017. New York: Scribner, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEngle, Charlie. Running Man: A Memoir of Ultra-endurance. First Scribner trade paperback edition September 2017. Scribner, 2017.
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