Lewis, J. P. (2015). National Geographic book of nature poetry: More than 200 poems with photographs that float, zoom, and bloom! National Geographic Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLewis, J. Patrick. National Geographic Book of Nature Poetry: More than 200 Poems with Photographs That Float, Zoom, and Bloom! Washington, D.C.: National Geographic Society, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLewis, J. Patrick. National Geographic Book of Nature Poetry: More than 200 Poems with Photographs That Float, Zoom, and Bloom! National Geographic Society, 2015.
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