Institut slavi︠a︡novedenii︠a︡ (Akademii︠a︡ nauk SSSR) & Valev, L. B. (1953). Osvobozhdenie Bolgarii ot turet︠s︡kogo iga: Sbornik stateĭ. Izd-vo Akademii nauk SSSR.
Chicago Style (17th ed.) CitationInstitut slavi︠a︡novedenii︠a︡ (Akademii︠a︡ nauk SSSR) and L. B. Valev. Osvobozhdenie Bolgarii Ot Turet︠s︡kogo Iga: Sbornik Stateĭ. Moskva: Izd-vo Akademii nauk SSSR, 1953.
MLA (9th ed.) CitationInstitut slavi︠a︡novedenii︠a︡ (Akademii︠a︡ nauk SSSR) and L. B. Valev. Osvobozhdenie Bolgarii Ot Turet︠s︡kogo Iga: Sbornik Stateĭ. Izd-vo Akademii nauk SSSR, 1953.
Warning: These citations may not always be 100% accurate.