DuBois, B. (2018). Hard aground: A Lewis Cole mystery (Large Print edition.). Thorndike Press, a part of Gale, a Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDuBois, Brendan. Hard Aground: A Lewis Cole Mystery. Large Print edition. Waterville, Maine: Thorndike Press, a part of Gale, a Cengage Learning, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDuBois, Brendan. Hard Aground: A Lewis Cole Mystery. Large Print edition. Thorndike Press, a part of Gale, a Cengage Learning, 2018.
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