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 South Africa. Dept. of Statistics,Butter and cheese ; condensed milk and milk powder ; ice-cream and ices = Botter en kaas ; kondensmelk en melkpoeier ; roomys en bevrore suiglekkers,,[Bureau of Statistics],1964,"Nywerheidsensusse, 1950-51 tot 1960-61 = Industrial censuses, 1950-51 to 1960-61",,,,https://cir.nii.ac.jp/crid/1130000794455877120