International Limes (Roman Frontiers) Congress Russe, Bulgarien, & Vagalinski, L. F. (2015). Limes XXII: Proceedings of the 22nd International Congress of Roman Frontier Studies, Ruse, Bulgaria, September 2012 (First edition.). National Archaeological Institute with Museum.
Chicago-Zitierstil (17. Ausg.)International Limes (Roman Frontiers) Congress Russe, Bulgarien, und Ljudmil Ferdinandov Vagalinski. Limes XXII: Proceedings of the 22nd International Congress of Roman Frontier Studies, Ruse, Bulgaria, September 2012. First edition. Sofia: National Archaeological Institute with Museum, 2015.
MLA-Zitierstil (9. Ausg.)International Limes (Roman Frontiers) Congress Russe, Bulgarien, und Ljudmil Ferdinandov Vagalinski. Limes XXII: Proceedings of the 22nd International Congress of Roman Frontier Studies, Ruse, Bulgaria, September 2012. First edition. National Archaeological Institute with Museum, 2015.