Sartore, J. (2019). The photo ark vanishing: The world's most vulnerable animals. National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSartore, Joel. The Photo Ark Vanishing: The World's Most Vulnerable Animals. Washington, D.C.: National Geographic, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSartore, Joel. The Photo Ark Vanishing: The World's Most Vulnerable Animals. National Geographic, 2019.
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