Owen, J. P., Leblanc, B., & Preiss, D. (2017). Just move!: A new approach to fitness after 50. National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOwen, James P., Brigitte Leblanc, और David Preiss. Just Move!: A New Approach to Fitness After 50. Washington, D.C.: National Geographic, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOwen, James P., et al. Just Move!: A New Approach to Fitness After 50. National Geographic, 2017.
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