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 "Potter, Stephen and Open University",Doing postgraduate research,2nd ed,Open University in association with SAGE Publications,2006,Sage study skills,,1412924057,,https://cir.nii.ac.jp/crid/1130282269049838464