Mitton, T., & Parker-Rees, G. (2007). Playful little penguins. Walker : Distributed to the trade by Holtzbrinck Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMitton, Tony, और Guy Parker-Rees. Playful Little Penguins. New York: Walker : Distributed to the trade by Holtzbrinck Publishers, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMitton, Tony, और Guy Parker-Rees. Playful Little Penguins. Walker : Distributed to the trade by Holtzbrinck Publishers, 2007.
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