Roberts, H. S. (1971). Roberts' dictionary of industrial relations (Rev. ed.). Bureau of National Affairs.
芝加哥风格引文Roberts, Harold Sellig. Roberts' Dictionary of Industrial Relations. Rev. ed. Washington: Bureau of National Affairs, 1971.
MLA引文Roberts, Harold Sellig. Roberts' Dictionary of Industrial Relations. Rev. ed. Bureau of National Affairs, 1971.
警告：这些引文格式不一定是100％准确.