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 "Berg, Caspar van den","Policy consultancy in comparative perspective : patterns, nuances, and implications of the contractor state",,Cambridge University Press,2020,Cambridge studies in comparative public policy,,9781108496674,,https://cir.nii.ac.jp/crid/1130566853502463488