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 "Lanza, Elizabeth",Language mixing in infant bilingualism : a sociolinguistic perspective,,"Clarendon Press,Oxford University Press",1997,Oxford studies in language contact,,0198235755,,https://cir.nii.ac.jp/crid/1130000796466414720