Kelly, C. (2006). The Roman Empire: A very short introduction. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKelly, Christopher. The Roman Empire: A Very Short Introduction. Oxford; New York: Oxford University Press, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKelly, Christopher. The Roman Empire: A Very Short Introduction. Oxford University Press, 2006.
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