Pethybridge, R. W. (1974). The social prelude to Stalinism. St. Martin's Press.
芝加哥风格引文Pethybridge, Roger William. The Social Prelude to Stalinism. New York: St. Martin's Press, 1974.
MLA引文Pethybridge, Roger William. The Social Prelude to Stalinism. St. Martin's Press, 1974.
警告：这些引文格式不一定是100％准确.