Beck, M. N. (2003). The joy diet: 10 daily practices for a happier life. Crown Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeck, Martha Nibley. The Joy Diet: 10 Daily Practices for a Happier Life. New York: Crown Publishers, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBeck, Martha Nibley. The Joy Diet: 10 Daily Practices for a Happier Life. Crown Publishers, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.