Henry, T., Penner, R., & Hall, T. W. (2020). The motivation code: Discover the hidden forces that drive your best work. Portfolio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHenry, Todd, Rod Penner, और Todd W. Hall. The Motivation Code: Discover the Hidden Forces That Drive Your Best Work. New York: Portfolio, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHenry, Todd, et al. The Motivation Code: Discover the Hidden Forces That Drive Your Best Work. Portfolio, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.