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
"Steensen, Steen and Ahva, Laura",Theories of journalism in a digital age,,Routledge,2017,Journalism studies : theory and practice,,9781138684072,,https://cir.nii.ac.jp/crid/1130000796703104512