McKibben, B., & Wyman, O. (2019). Falter: Has the human game begun to play itself out? (Unabridged.). Macmillan Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcKibben, Bill, और Oliver Wyman. Falter: Has the Human Game Begun to Play Itself Out? Unabridged. New York, NY: Macmillan Audio, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcKibben, Bill, और Oliver Wyman. Falter: Has the Human Game Begun to Play Itself Out? Unabridged. Macmillan Audio, 2019.
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