Isadora, R. (2012). There was a tree. Nancy Paulsen Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIsadora, Rachel. There Was a Tree. New York: Nancy Paulsen Books, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIsadora, Rachel. There Was a Tree. Nancy Paulsen Books, 2012.
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