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 "Otto, Emil and Yates, Douglas",Key to the German conversation-grammar : with specimens of letter-writing,25th ed. / rev. by Douglas Yates,Julius Groos,1930,Méthode Gaspey-Otto-Sauer,,,,https://cir.nii.ac.jp/crid/1130000797085281536