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 "Nickel, Gerhard and Stalker, James C.",Problems of standardization and linguistic variation in present-day English,,J. Groos Verlag,1986,Studies in descriptive linguistics,,3872765574,,https://cir.nii.ac.jp/crid/1130282268704490368