Riordan, R. (2013). Demigods and monsters: Your favorite authors on rick riordan's percy jackson and the olympians series.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRiordan, Rick. Demigods and Monsters: Your Favorite Authors on Rick Riordan's Percy Jackson and the Olympians Series. 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRiordan, Rick. Demigods and Monsters: Your Favorite Authors on Rick Riordan's Percy Jackson and the Olympians Series. 2013.
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