International Congress of Byzantine Studies Moscow, Russia, Institut vseobshcheĭ istorii (Akademi︠i︡a nauk SSSR), & Litavrin, G. G. (1991). Vizantiĭskie ocherki: Trudy sovetskikh uchenykh k XVIII Mezhdunarodnomu kongressu vizantinistov, 8-15 avgusta 1991 g. Moskva. "Nauka".
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিInternational Congress of Byzantine Studies Moscow, Russia, Institut vseobshcheĭ istorii (Akademi︠i︡a nauk SSSR), এবং G. G. Litavrin. Vizantiĭskie Ocherki: Trudy Sovetskikh Uchenykh K XVIII Mezhdunarodnomu Kongressu Vizantinistov, 8-15 Avgusta 1991 G. Moskva. Moskva: "Nauka", 1991.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিInternational Congress of Byzantine Studies Moscow, Russia, et al. Vizantiĭskie Ocherki: Trudy Sovetskikh Uchenykh K XVIII Mezhdunarodnomu Kongressu Vizantinistov, 8-15 Avgusta 1991 G. Moskva. "Nauka", 1991.