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
"Werf, Hendrik van der",A study of modes and melodies,,H. van der Werf,1983,"The emergence of Gregorian chant : a comparative study of Ambrosian, Roman, and Gregorian chant",,,,https://cir.nii.ac.jp/crid/1130282270838713216