Gall, C. (2017). The littlest train (First edition.). Little, Brown and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGall, Chris. The Littlest Train. First edition. New York: Little, Brown and Company, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGall, Chris. The Littlest Train. First edition. Little, Brown and Company, 2017.
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