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 "Ess, Charles",Digital media ethics,2nd ed,Polity,2014,Digital media and society series,,"9780745656069,9780745656052",,https://cir.nii.ac.jp/crid/1130282272376602112