Kelly, C. (2006). The Roman Empire: A very short introduction. Oxford University Press.
Cita Chicago (17th ed.)Kelly, Christopher. The Roman Empire: A Very Short Introduction. Oxford; New York: Oxford University Press, 2006.
Cita MLA (8th ed.)Kelly, Christopher. The Roman Empire: A Very Short Introduction. Oxford University Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.