著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Wrench, John","Unequal comrades : trade unions, equal opportunity, and racism",,"Centre for Research in Ethnic Relations, Arts Building, University of Warwick",1986,Policy papers in ethnic relations,,0948303654,,https://cir.nii.ac.jp/crid/1130000795092446720