Keller, J. (2023). Quitting: A life strategy : the myth of perseverance--and how the new science of giving up can set you free (First edition.). Balance, Hachette Book Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKeller, Julia. Quitting: A Life Strategy : The Myth of Perseverance--and How the New Science of Giving Up Can Set You Free. First edition. New York, NY: Balance, Hachette Book Group, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKeller, Julia. Quitting: A Life Strategy : The Myth of Perseverance--and How the New Science of Giving Up Can Set You Free. First edition. Balance, Hachette Book Group, 2023.
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