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
"Kersten, Kristin and Winsler, Adam","Understanding variability in second language acquisition, bilingualism, and cognition : a multi-layered perspective",,Routledge,2022,Routledge studies in applied linguistics,,9780367726386,,https://cir.nii.ac.jp/crid/1130012070616365073