Cowell, C. (2010). How to train your dragon (1st U.S. ed.). Little, Brown.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCowell, Cressida. How to Train Your Dragon. 1st U.S. ed. New York: Little, Brown, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCowell, Cressida. How to Train Your Dragon. 1st U.S. ed. Little, Brown, 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.