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 ,Spanish conversation simplified : a collecrion of frequently occurring conversational phrases introducing all the important idioms,Standard ed. rev. and re-written,"Hugo's Language Institute, [19--]",,Hugo's simplified system,,,,https://cir.nii.ac.jp/crid/1130282271952139008