Davies, N., & Hearld, M. (2012). Outside your window: A first book of nature (1st U.S. ed.). Candlewick Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDavies, Nicola, और Mark Hearld. Outside Your Window: A First Book of Nature. 1st U.S. ed. Somerville, Mass.: Candlewick Press, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDavies, Nicola, और Mark Hearld. Outside Your Window: A First Book of Nature. 1st U.S. ed. Candlewick Press, 2012.
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