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 "Coffield, Frank and Economic and Social Research Council (Great Britain) and ESRC Learning Society Programme",The necessity of informal learning,,Policy Press,2007,ESRC learning society series,,9781861341525,,https://cir.nii.ac.jp/crid/1130000797450325120