Langshur, E., Klemp, N. J., & Davidson, R. J. (2016). Start here: Master the lifelong habit of wellbeing (First North Star Way hardcover edition.). North Star Way.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLangshur, Eric, Nathaniel J. Klemp, और Richard J. Davidson. Start Here: Master the Lifelong Habit of Wellbeing. First North Star Way hardcover edition. New York: North Star Way, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLangshur, Eric, et al. Start Here: Master the Lifelong Habit of Wellbeing. First North Star Way hardcover edition. North Star Way, 2016.
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