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
"Ptolemy, 2nd cent and Porphyry, ca.ca. 305 and Düring, Ingemar",Die Harmonielehre des Klaudios Ptolemaios ; Porphyrios Kommentar zur Harmonielehre des Ptolemaios,,Garland Publishing,1980,Göteborgs högskolas årsskrift,,0824096002,,https://cir.nii.ac.jp/crid/1130000795437869824