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
"Michels, Robert",Il proletariato e la borghesia nel movimento socialista italiano,,Arno Press,1975,European sociology,,040506523X,,https://cir.nii.ac.jp/crid/1130282272402392064