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
"De Koning, Jaap and Denys, Jan and Walwei, Ulrich and European Commission. Directorate-General for Employment, Industrial Relations, and Social Affairs",Deregulation in placement services : a comparative study for eight EU countries,,Office for Official Publications of the European Communities,1999,Employment & social affairs,,9282868508,,https://cir.nii.ac.jp/crid/1130282269638891776