Porter, H. (2021). The old enemy: A novel (First Grove Atlantic hardcover edition.). Atlantic Monthly Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPorter, Henry. The Old Enemy: A Novel. First Grove Atlantic hardcover edition. New York: Atlantic Monthly Press, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPorter, Henry. The Old Enemy: A Novel. First Grove Atlantic hardcover edition. Atlantic Monthly Press, 2021.
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