Butterworth, C., & Nelms, K. (2013). See what a seal can do (First U.S. edition 2013.). Candlewick Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रButterworth, Christine, और Kate Nelms. See What a Seal Can Do. First U.S. edition 2013. Somerville, Massachusetts: Candlewick Press, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रButterworth, Christine, और Kate Nelms. See What a Seal Can Do. First U.S. edition 2013. Candlewick Press, 2013.
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