Berkov, P. (1981). Historical problems in the Development of Literature. Hudozhesmvenaya Literatura.
シカゴスタイル引用形Berkov, P.N. Historical Problems in the Development of Literature. Leningrad: Hudozhesmvenaya Literatura, 1981.
MLA引用形式Berkov, P.N. Historical Problems in the Development of Literature. Hudozhesmvenaya Literatura, 1981.
警告: この引用は必ずしも正確ではありません.