Wells, R., & Ibatoulline, B. (2012). On the Blue Comet (First paperback edition.). Candlewick Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWells, Rosemary, और Bagram Ibatoulline. On the Blue Comet. First paperback edition. Somerville, Massachusetts: Candlewick Press, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWells, Rosemary, और Bagram Ibatoulline. On the Blue Comet. First paperback edition. Candlewick Press, 2012.
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