(1990). FIU Handbook (International Edition): Trade Union internal training. [S.l.]: The Danish Federation of Trade Unions.
芝加哥风格引文FIU Handbook (International Edition): Trade Union Internal Training. [S.l.]: The Danish Federation of Trade Unions, 1990.
MLA引文FIU Handbook (International Edition): Trade Union Internal Training. [S.l.]: The Danish Federation of Trade Unions, 1990.
警告：这些引文格式不一定是100％准确.