O'Callaghan, B. (2020). The boatman and other stories (First U.S. edition.). Harper Perennial.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Callaghan, Billy. The Boatman and Other Stories. First U.S. edition. New York, NY: Harper Perennial, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Callaghan, Billy. The Boatman and Other Stories. First U.S. edition. Harper Perennial, 2020.
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