Madgearu, A. (2013). Byzantine military organization on the Danube, 10th-12th centuries. Brill.
Chicago-referens (17:e uppl.)Madgearu, Alexandru. Byzantine Military Organization on the Danube, 10th-12th Centuries. Leiden ; Boston: Brill, 2013.
MLA-referens (9:e uppl.)Madgearu, Alexandru. Byzantine Military Organization on the Danube, 10th-12th Centuries. Brill, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.