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 "Keller, David R.",Environmental ethics : the big questions,,Wiley-Blackwell,2010,Philosophy : the big questions,,"9781405176392,9781405176385",,https://cir.nii.ac.jp/crid/1130282269918626816