Cowell, C. (2025). Doom of the darkwing (First U.S. edition.). Little, Brown and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCowell, Cressida. Doom of the Darkwing. First U.S. edition. New York: Little, Brown and Company, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCowell, Cressida. Doom of the Darkwing. First U.S. edition. Little, Brown and Company, 2025.
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