Loyd, A. (2015). Beyond willpower: The secret principle to achieving success in life, love, and happiness. Harmony Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLoyd, Alex. Beyond Willpower: The Secret Principle to Achieving Success in Life, Love, and Happiness. New York: Harmony Books, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLoyd, Alex. Beyond Willpower: The Secret Principle to Achieving Success in Life, Love, and Happiness. Harmony Books, 2015.
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