Simeonova, L. (1998). Diplomacy of the letter and the cross: Photios, Bulgaria and the papacy, 860 s - 880 s. Classical and Byzantine monographs.
Citazione stile Chigago Style (17a edizione)Simeonova, Liljana. "Diplomacy of the Letter and the Cross: Photios, Bulgaria and the Papacy, 860 S - 880 S." Classical and Byzantine Monographs 1998.
Citatione MLA (9a ed.)Simeonova, Liljana. "Diplomacy of the Letter and the Cross: Photios, Bulgaria and the Papacy, 860 S - 880 S." Classical and Byzantine Monographs, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
