Cowell, C. (2015). How to fight a dragon's fury: The heroic misadventures of Hiccup the Viking (First U.S. Edition.). Little, Brown and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCowell, Cressida. How to Fight a Dragon's Fury: The Heroic Misadventures of Hiccup the Viking. First U.S. Edition. New York ; Boston: Little, Brown and Company, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCowell, Cressida. How to Fight a Dragon's Fury: The Heroic Misadventures of Hiccup the Viking. First U.S. Edition. Little, Brown and Company, 2015.
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