Gallwey, W. T., & Woren, D. (2008). The inner game of tennis: The classic guide to the mental side of peak performance (Unabridged.). Random House Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGallwey, W. Timothy, और Dan Woren. The Inner Game of Tennis: The Classic Guide to the Mental Side of Peak Performance. Unabridged. New York: Random House Audio, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGallwey, W. Timothy, और Dan Woren. The Inner Game of Tennis: The Classic Guide to the Mental Side of Peak Performance. Unabridged. Random House Audio, 2008.
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