Henion, L. A. (2015). Phenomenal: A hesitant adventurer's search for wonder in the natural world. Penguin Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHenion, Leigh Ann. Phenomenal: A Hesitant Adventurer's Search for Wonder in the Natural World. New York: Penguin Press, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHenion, Leigh Ann. Phenomenal: A Hesitant Adventurer's Search for Wonder in the Natural World. Penguin Press, 2015.
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