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 "Rumble, Greville",The costs and economics of open and distance learning,,Kogan Page,1997,Open and distance learning series,,"0749423811,0749415193",,https://cir.nii.ac.jp/crid/1130282271769330816