Levy, B. (2019). Labyrinth of ice: The triumphant and tragic Greely polar expedition (First edition.). St. Martin's Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevy, Buddy. Labyrinth of Ice: The Triumphant and Tragic Greely Polar Expedition. First edition. New York: St. Martin's Press, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevy, Buddy. Labyrinth of Ice: The Triumphant and Tragic Greely Polar Expedition. First edition. St. Martin's Press, 2019.
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