Hodgkinson, L. (2014). Troll swap (First U.S. edition.). Nosy Crow, an imprint of Candlewick Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHodgkinson, Leigh. Troll Swap. First U.S. edition. Somerville, Massachusetts: Nosy Crow, an imprint of Candlewick Press, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHodgkinson, Leigh. Troll Swap. First U.S. edition. Nosy Crow, an imprint of Candlewick Press, 2014.
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