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. Bureau of Census and Statistics,"Statistics of investment and finance business undertakings, 1960-61 = Statistiek van belegging- en finansiële sake-ondernemings, 1960-61",,Govt. Printer,1962,National accounts and finance = Nasionale rekeninge en finansies,,,,https://cir.nii.ac.jp/crid/1130000796681244544