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
"Sowell, Robert S.",Findings from exit surverys for Ph.D. completers,,Council of Graduate Schools,2009,Ph.D. completion and attrition,,1933042222,,https://cir.nii.ac.jp/crid/1130282268855023232