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 "Wardhaugh, Ronald and Fuller, Janet M.",An introduction to sociolinguistics,8th ed,Wiley Blackwell,2021,Blackwell textbooks in linguistics,,9781119473428,,https://cir.nii.ac.jp/crid/1130006650630807685