Schwartz, J. D. (2013). Cows save the planet and other improbable ways of restoring soil to heal the earth. Chelsea Green Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchwartz, Judith D. Cows Save the Planet and Other Improbable Ways of Restoring Soil to Heal the Earth. White River Junction, Vt.: Chelsea Green Pub., 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchwartz, Judith D. Cows Save the Planet and Other Improbable Ways of Restoring Soil to Heal the Earth. Chelsea Green Pub., 2013.
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