مصادر
- ^ أ ب ت ث W. Treadgold, A History of the Byzantine State and Society, 509
- ^ J. Haldon, The Byzantine Wars, 149
- ^ J. Norwich, Byzantium: The Apogee, 215
مراجع
- Andrey Nikolayevich Sakharov. Svyatoslav's Diplomacy. Moscow: Mezhdunarodnye otnosheniya, 1982.
- Fyodor Uspensky. The History of the Byzantine Empire, vol. 2. Moscow: Mysl, 1997.
- Haldon, John (2008). The Byzantine Wars. The History Press. ISBN 978-0-7524-4565-6.
- Treadgold, Warren (1997). A History of the Byzantine State and Society. Stanford University Press. ISBN 0-8047-2630-2.
- Norwich, John Julius (1992). Byzantium (II): The Apogee. Knopf Doubleday Publishing Group. ISBN 978-0-394-53779-5.
