Sevcenko, I. (1991). Byzantium and the Slavs in letters and culture. Cambridge, Mass. : Napoli: Harvard Ukrainian Research Institute Instituto universitario orientale.
Παραπομπή Chicago StyleSevcenko, Ihor. Byzantium and the Slavs in Letters and Culture. Cambridge, Mass. : Napoli: Harvard Ukrainian Research Institute Instituto universitario orientale, 1991.
Παραπομπή MLASevcenko, Ihor. Byzantium and the Slavs in Letters and Culture. Cambridge, Mass. : Napoli: Harvard Ukrainian Research Institute Instituto universitario orientale, 1991.
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