Dieten, Jan-Louis van. „Soulis, George Christos: The Serbs and Byzantium During the Reign of Tsar Stephen Dušan (1331—1355) and His Successors“. Südost-Forschungen 1, no. 1 (November 30, 2021): 464–468. Zugegriffen Juli 5, 2024. http://bsb0sit-zepweb01.bsb.lrz.de/portal/index.php/sof/article/view/9358.