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 "Helliwell, John F.",Oil and gas in Canada : the effects of domestic policies and world events,,Canadian Tax Foundation,1989,Canadian tax paper,,0888080336,,https://cir.nii.ac.jp/crid/1130282269186989440