Buettner, D. (2023). The blue zones secrets for living longer: Lessons from the healthiest places on earth. National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBuettner, Dan. The Blue Zones Secrets for Living Longer: Lessons from the Healthiest Places on Earth. Washington, D.C.: National Geographic, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBuettner, Dan. The Blue Zones Secrets for Living Longer: Lessons from the Healthiest Places on Earth. National Geographic, 2023.
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