Kelly, I. (2003). It's a hummingbird's life. Holiday House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKelly, Irene. It's a Hummingbird's Life. New York: Holiday House, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKelly, Irene. It's a Hummingbird's Life. Holiday House, 2003.
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