Gawdat, M. (2017). Solve for happy: Engineering your path to joy (First North Star Way hardcover edition.). North Star Way.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGawdat, Mo. Solve for Happy: Engineering Your Path to Joy. First North Star Way hardcover edition. New York: North Star Way, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGawdat, Mo. Solve for Happy: Engineering Your Path to Joy. First North Star Way hardcover edition. North Star Way, 2017.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.