Collard, S. B. (2017). Catching air: Taking the leap with gliding animals (First edition.). Tilbury House Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollard, Sneed B. Catching Air: Taking the Leap with Gliding Animals. First edition. [Thomaston, Maine]: Tilbury House Publishing, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCollard, Sneed B. Catching Air: Taking the Leap with Gliding Animals. First edition. Tilbury House Publishing, 2017.
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