Young 2003, p. 164. Young, Gary K. (2003). Rome's Eastern Trade: International Commerce and Imperial Policy 31 BC – AD 305. Routledge. ISBN978-1-134-54793-7.
Young 2003, p. 163. Young, Gary K. (2003). Rome's Eastern Trade: International Commerce and Imperial Policy 31 BC – AD 305. Routledge. ISBN978-1-134-54793-7.