Foreman, M. (2015). The tortoise and the soldier: A story of courage and friendship in World War I. Henry Holt and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रForeman, Michael. The Tortoise and the Soldier: A Story of Courage and Friendship in World War I. New York: Henry Holt and Company, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रForeman, Michael. The Tortoise and the Soldier: A Story of Courage and Friendship in World War I. Henry Holt and Company, 2015.
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