Lake-Thom, B. (1997). Spirits of the earth: A guide to Native American nature symbols, stories, and ceremonies. Penguin Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLake-Thom, Bobby. Spirits of the Earth: A Guide to Native American Nature Symbols, Stories, and Ceremonies. New York, NY: Penguin Group, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLake-Thom, Bobby. Spirits of the Earth: A Guide to Native American Nature Symbols, Stories, and Ceremonies. Penguin Group, 1997.
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