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
"Cowden, Robert H.",Classical singers of the opera and recital stages : a bibliography of biographical materials,,Greenwood Press,1994,Music reference collection,,0313293325,,https://cir.nii.ac.jp/crid/1130282270297931008