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 "Coupland, Nikolas",The social differentiation of functional language use : a sociolinguistic investigation of travel agency talk,,British Library Document Supply Centre,1981,British thesis service,,,,https://cir.nii.ac.jp/crid/1130282271951672192