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
"Leone, Sabrina",Characterisation of a personal learning environment as a lifelong learning tool,,Springer,2013,Springer briefs in education,,9781461462736,,https://cir.nii.ac.jp/crid/1130000796465361280