ISBN 978-0-674-51173-6* Bowman, A., Cameron, A., Garnsey, P., (eds) "The Cambridge Ancient History: Volume 12, The Crisis of Empire, AD 193–337", 2nd Edn., Cambridge University Press, 2005.
ISBN 978-0-674-51173-6*Bowman, A., Cameron, A., Garnsey, P., (eds) "The Cambridge Ancient History: Volume 12, The Crisis of Empire, AD 193–337", 2nd Edn., Cambridge University Press, 2005.