Collins, S. (2014). The gigantic beard that was evil (First U.S. edition.). Picador.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollins, Stephen. The Gigantic Beard That Was Evil. First U.S. edition. New York: Picador, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCollins, Stephen. The Gigantic Beard That Was Evil. First U.S. edition. Picador, 2014.
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