Harden, G. (2023). Stay sane in an insane world: How to control the controllables and thrive (Unabridged.). Blackstone Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarden, Greg. Stay Sane in an Insane World: How to Control the Controllables and Thrive. Unabridged. Ashland: Blackstone Publishing, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHarden, Greg. Stay Sane in an Insane World: How to Control the Controllables and Thrive. Unabridged. Blackstone Publishing, 2023.
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