O'Connell, R. L. (2010). The ghosts of Cannae: Hannibal and the darkest hour of the Roman republic. Random House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Connell, Robert L. The Ghosts of Cannae: Hannibal and the Darkest Hour of the Roman Republic. New York: Random House, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Connell, Robert L. The Ghosts of Cannae: Hannibal and the Darkest Hour of the Roman Republic. Random House, 2010.
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