Wolf, J., & Hafner, M. (1995). Daddy, could I have an elephant? Greenwillow Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWolf, Jake, और Marylin Hafner. Daddy, Could I Have an Elephant? New York: Greenwillow Books, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWolf, Jake, और Marylin Hafner. Daddy, Could I Have an Elephant? Greenwillow Books, 1995.
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