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
"Ricardo, David and Porta, Pier Luigi",Note a Malthus e Saggi e note,,Unione tipografico-editrice torinese,1987,Classici dell'economia,,8802040605,,https://cir.nii.ac.jp/crid/1130000794924408448