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
"Bowers, Roger",English church polyphony : singers and sources from the 14th to the 17th century,,Ashgate/Variorum,1999,Variorum collected studies series,,0860787788,,https://cir.nii.ac.jp/crid/1130282271632195456