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 "Powers, Donald E.",The relationship between scores on the Graduate Management Admission Test and the Test of English as a Foreign Language,,Educational Testing Service,1980,TOEFL research reports,,,,https://cir.nii.ac.jp/crid/1130282271656461952