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 "Penhallurick, Robert J.",The Anglo-Welsh dialects of North Wales : a survey of conservative rural spoken English in the counties of Gwynedd and Clwyd,,P. Lang,1991,Bamberger Beiträge zur englischen Sprachwissenschaft,,3631437595,,https://cir.nii.ac.jp/crid/1130282270532624896