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 "Haarmann, Harald",Symbolic values of foreign language use : from the Japanese case to a general sociolinguistic perspective,,Mouton de Gruyter,1989,Contributions to the sociology of language,,"0899254853,3110117126",,https://cir.nii.ac.jp/crid/1130282271436151040