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 "Tower, Edward","Econometrics exams, puzzles & problems",,Eno River Press,1981,"Economics reading lists, course outlines, exams, puzzles & problems",,0880240458,,https://cir.nii.ac.jp/crid/1130000798171350528