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 "Haar, Beryl ter and Kun, Attila",EU collective labour law,,Edward Elgar Publishing,2021,Elgar studies in labour law,,9781788116381,,https://cir.nii.ac.jp/crid/1130291079927385350