Riordan, R. (2009). The demigod files (First edition.). Disney/Hyperion Books for Children.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRiordan, Rick. The Demigod Files. First edition. New York: Disney/Hyperion Books for Children, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRiordan, Rick. The Demigod Files. First edition. Disney/Hyperion Books for Children, 2009.
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