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
"Flotow, Friedrich von and Friedrich, W., ca. and Saint-Georges, Henri and Dent, Edward Joseph",Martha : a romantic comic opera in four acts,,Oxford University Press,1941,Opera librettos,,,,https://cir.nii.ac.jp/crid/1130000795357090688