European Trade Union Institute (ETUI). (1993). Immigration in Western Europe: Development, situation, outlook. Brussels: ETUI.
芝加哥风格引文European Trade Union Institute (ETUI). Immigration in Western Europe: Development, Situation, Outlook. Brussels: ETUI, 1993.
MLA引文European Trade Union Institute (ETUI). Immigration in Western Europe: Development, Situation, Outlook. Brussels: ETUI, 1993.
警告：这些引文格式不一定是100％准确.