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
"Ledgeway, Adam and Maiden, Martin",The Oxford guide to the Romance languages,,Oxford University Press,2016,Oxford guides to the world's languages,,9780199677108,,https://cir.nii.ac.jp/crid/1130282269595816576