Saposs, D. J. (1959). Communism in American unions. McGraw-Hill.
芝加哥风格引文Saposs, David Joseph. Communism in American Unions. New York: McGraw-Hill, 1959.
MLA引文Saposs, David Joseph. Communism in American Unions. McGraw-Hill, 1959.
警告：这些引文格式不一定是100％准确.