Parr, T. (2010). The EARTH book (First edition.). Little, Brown and Company Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रParr, Todd. The EARTH Book. First edition. New York: Little, Brown and Company Books for Young Readers, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रParr, Todd. The EARTH Book. First edition. Little, Brown and Company Books for Young Readers, 2010.
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