Wrede, P. C., & Words Take Wing Repertory Co. (2002). Calling on dragons: Calling on dragons (Unabridged.). Listening Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWrede, Patricia C., और Words Take Wing Repertory Co. Calling on Dragons: Calling on Dragons. Unabridged. New York: Listening Library, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWrede, Patricia C., और Words Take Wing Repertory Co. Calling on Dragons: Calling on Dragons. Unabridged. Listening Library, 2002.
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