McGonigal, K. (2012). The willpower instinct: How self-control works, why it matters, and what you can do to get more of it. Avery.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcGonigal, Kelly. The Willpower Instinct: How Self-control Works, Why It Matters, and What You Can Do to Get More of It. New York: Avery, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcGonigal, Kelly. The Willpower Instinct: How Self-control Works, Why It Matters, and What You Can Do to Get More of It. Avery, 2012.
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