Peterson, A. (2021). The monster in the hollows (Unabridged.). Listening Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPeterson, Andrew. The Monster in the Hollows. Unabridged. New York: Listening Library, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPeterson, Andrew. The Monster in the Hollows. Unabridged. Listening Library, 2021.
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