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
Commission of the European Communities,Comercio exterior : sistema de preferencias arancelarias generalizadas (SPG) : importaciones = External trade : system of generalized tariff preferences (GSP) : imports,,Statistical Office of the European Communities,1990,Eurostat,,"9282577597,9282611116,9282611124,9282604810,9282622231,928262224X,9282635414,9282635422",,https://cir.nii.ac.jp/crid/1130282268987573632