Gundry, M. (2021). The energy paradox: What to do when your get-up-and-go has got up and gone.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGundry, MD. The Energy Paradox: What to Do When Your Get-up-and-go Has Got Up and Gone. 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGundry, MD. The Energy Paradox: What to Do When Your Get-up-and-go Has Got Up and Gone. 2021.
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