Industrial Research and Information Services ltd., London. (1973). Trade unions and the E.E.C. Industrial Research and Information Services Ltd.
芝加哥风格引文Industrial Research and Information Services ltd., London. Trade Unions and the E.E.C. London: Industrial Research and Information Services Ltd, 1973.
MLA引文Industrial Research and Information Services ltd., London. Trade Unions and the E.E.C. Industrial Research and Information Services Ltd, 1973.
警告：这些引文格式不一定是100％准确.