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
"Johansson, Stig",Studies of error gravity : native reactions to errors produced by Swedish learners of English,,Acta Universitatis Gothoburgensis,1978,Gothenburg studies in English,,9173460540,,https://cir.nii.ac.jp/crid/1130000798269647488