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 "Powell, Martin A.",Understanding the mixed economy of welfare,,Policy Press,2007,"Understanding welfare : social issues, policy and practice",,"9781861347602,9781861347596",,https://cir.nii.ac.jp/crid/1130282270128482176