Powell, J. (2014). How to train your dragon 2: Music from the motion picture. Relativity Music Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPowell, John. How to Train Your Dragon 2: Music from the Motion Picture. Beverly Hills, CA: Relativity Music Group, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPowell, John. How to Train Your Dragon 2: Music from the Motion Picture. Relativity Music Group, 2014.
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