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
"Lenk, Uta",Marking discourse coherence : functions of discourse markers in spoken English,,Gunter Narr Verlag,1998,Language in performance,,3823349384,,https://cir.nii.ac.jp/crid/1130282273161131008