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
"Wellman, Jane V. and Ehrlich, Thomas",How the student credit hour shapes higher education : the tie that binds,,Jossey-Bass,2003,New directions for higher education,,,,https://cir.nii.ac.jp/crid/1130282271129660928