Institut istorii (Rossiĭska︠i︡a akademi︠i︡a nauk). Sankt-Peterburgskiĭ filial, Kopanev, A. I., & Sverdlov, M. B. (1994). Istori︠i︡a krestʹ︠i︡anstva Severo-Zapada Rossii: Period feodalizma. Nauka.
Chicago Style (17th ed.) CitationInstitut istorii (Rossiĭska︠i︡a akademi︠i︡a nauk). Sankt-Peterburgskiĭ filial, A. I. Kopanev, and M. B. Sverdlov. Istori︠i︡a Krestʹ︠i︡anstva Severo-Zapada Rossii: Period Feodalizma. Sankt-Peterburg: Nauka, 1994.
MLA (8th ed.) CitationInstitut istorii (Rossiĭska︠i︡a akademi︠i︡a nauk). Sankt-Peterburgskiĭ filial, et al. Istori︠i︡a Krestʹ︠i︡anstva Severo-Zapada Rossii: Period Feodalizma. Nauka, 1994.
Warning: These citations may not always be 100% accurate.