Buettner, D. (2015). The Blue Zones solution: Eating and living like the world's healthiest people. National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBuettner, Dan. The Blue Zones Solution: Eating and Living like the World's Healthiest People. Washington, D.C.: National Geographic, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBuettner, Dan. The Blue Zones Solution: Eating and Living like the World's Healthiest People. National Geographic, 2015.
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