Buettner, D., & Barrett, J. (2015). The Blue Zones solution: Eating and living like the world's healthiest people (Unabridged.). Blackstone Audio, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBuettner, Dan, और Joe Barrett. The Blue Zones Solution: Eating and Living like the World's Healthiest People. Unabridged. [Ashland, Oregon]: Blackstone Audio, Inc., 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBuettner, Dan, और Joe Barrett. The Blue Zones Solution: Eating and Living like the World's Healthiest People. Unabridged. Blackstone Audio, Inc., 2015.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.