Davies, N., & Blythe, G. (2005). Ice bear: In the steps of the polar bear (1st U.S. ed.). Candlewick Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDavies, Nicola, और Gary Blythe. Ice Bear: In the Steps of the Polar Bear. 1st U.S. ed. Cambridge, Mass.: Candlewick Press, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDavies, Nicola, और Gary Blythe. Ice Bear: In the Steps of the Polar Bear. 1st U.S. ed. Candlewick Press, 2005.
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