Barker, E. (1957). Social and political thought in byzantium: From Justininan I to the last palaeologus. Oxford at the Clarendon Press.
Citazione stile Chigago Style (17a edizione)Barker, Ernest. Social and Political Thought in Byzantium: From Justininan I to the Last Palaeologus. Londres: Oxford at the Clarendon Press, 1957.
Citatione MLA (9a ed.)Barker, Ernest. Social and Political Thought in Byzantium: From Justininan I to the Last Palaeologus. Oxford at the Clarendon Press, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.