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
"Butler, M.C.",Roston's rapid Esperanto course : thirty simple lessons,,The Linguaphone Institute,1927,Roston's language series,,,,https://cir.nii.ac.jp/crid/1130000793817793280