Levy, B. (2022). Breaking the age code: How your beliefs about aging determine how long & well you live (First edition.). William Morrow, an imprint of HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevy, Becca. Breaking the Age Code: How Your Beliefs About Aging Determine How Long & Well You Live. First edition. New York, NY: William Morrow, an imprint of HarperCollins Publishers, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevy, Becca. Breaking the Age Code: How Your Beliefs About Aging Determine How Long & Well You Live. First edition. William Morrow, an imprint of HarperCollins Publishers, 2022.
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