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 "Cortina, R. Diez de la (Rafael Diez de la) and Alden, Douglas William","French in 20 lessons, intended for self-study and for use in schools : with a simplified system of phonetic pronunciation","82nd ed., completely rev","R. D. Cortina,distributors, Doubleday",1977,Cortina method,,"0832700037,0832700118",,https://cir.nii.ac.jp/crid/1130000797478812672