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
United Nations. Dept. of Economic and Social Affairs and United Nations. Statistical Office,"Commodity indexes for the Standard international trade classification, revision 2",,United Nations,1981,Statistical papers,,,,https://cir.nii.ac.jp/crid/1130000796148518016