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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, Laurel Kearns, और Catherine Keller. Ecospirit: Religions and Philosophies for the Earth. New York: Fordham University Press, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. Ecospirit: Religions and Philosophies for the Earth. Fordham University Press, 2007.
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