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 "Mercer, Sarah",Towards an understanding of language learner self-concept,,Springer,2011,Educational linguistics,,"9789048195688,9789048195695,9789400734838",,https://cir.nii.ac.jp/crid/1130282271355653632