(1962). Supplemental unemployment benefit plan. [S.l.]: United Steelworkers of America.
芝加哥风格引文Supplemental Unemployment Benefit Plan. [S.l.]: United Steelworkers of America, 1962.
MLA引文Supplemental Unemployment Benefit Plan. [S.l.]: United Steelworkers of America, 1962.
警告：这些引文格式不一定是100％准确.