Willis, J., & Reynolds, A. (2013). Upside down babies (American edition.). Andersen Press USA : Distributed in the United States by Lerner Publishing Group, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWillis, Jeanne, और Adrian Reynolds. Upside Down Babies. American edition. Minneapolis, MN: Andersen Press USA : Distributed in the United States by Lerner Publishing Group, Inc., 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWillis, Jeanne, और Adrian Reynolds. Upside Down Babies. American edition. Andersen Press USA : Distributed in the United States by Lerner Publishing Group, Inc., 2013.
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