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 "Ammon, Ulrich and World Congress of Sociology and International Sociological Association",Status and function of languages and language varieties,,W. de Gruyter,1989,Foundations of communication,,"0899253563,311011299X",,https://cir.nii.ac.jp/crid/1130282270313855360