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. Statistical Office,Commodity trade statistics : according to the Standard International Trade Classification : January-June 1952,,Statistical Office of the United Nations,1952,Statistical papers,,,,https://cir.nii.ac.jp/crid/1130000798280395776