American Academy of Political and Social Science. Philadelphia. (1957). Current issues in international labor relations. s.n.
芝加哥风格引文American Academy of Political and Social Science. Philadelphia. Current Issues in International Labor Relations. Philadelphia: s.n, 1957.
MLA引文American Academy of Political and Social Science. Philadelphia. Current Issues in International Labor Relations. s.n, 1957.
警告：这些引文格式不一定是100％准确.