Peterson, A. (2020). The monster in the Hollows (First hardcover edition.). WaterBrook.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPeterson, Andrew. The Monster in the Hollows. First hardcover edition. [Colorado Springs]: WaterBrook, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPeterson, Andrew. The Monster in the Hollows. First hardcover edition. WaterBrook, 2020.
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