International Congress on Bulgarian Studies Sofii︠a︡, Bulgaria, Bŭlgarska akademii︠a︡ na naukite, Zarev, P., Sharova, K., Pantev, A. L., & Ogni︠a︡nov, B. (1982). Dokladi: Istorii︠a︡ i sŭvremenno sŭstoi︠a︡nie na bŭlgaristikata. Bŭlgarska akademii︠a︡ na naukite.
Chicago Style (17th ed.) CitationInternational Congress on Bulgarian Studies Sofii︠a︡, Bulgaria, Bŭlgarska akademii︠a︡ na naukite, Panteleĭ Zarev, Krumka Sharova, Andreĭ Lazarov Pantev, and Bui︠a︡n Ogni︠a︡nov. Dokladi: Istorii︠a︡ I Sŭvremenno Sŭstoi︠a︡nie Na Bŭlgaristikata. Sofii︠a︡: Bŭlgarska akademii︠a︡ na naukite, 1982.
MLA (9th ed.) CitationInternational Congress on Bulgarian Studies Sofii︠a︡, Bulgaria, et al. Dokladi: Istorii︠a︡ I Sŭvremenno Sŭstoi︠a︡nie Na Bŭlgaristikata. Bŭlgarska akademii︠a︡ na naukite, 1982.