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. Central Statistical Services,"Sensus van groothandel, handelsagente en verwante dienste, 1983 = Census of wholesale trade, commercial agents and allied services, 1983",,Sentrale Statistiekdiens,1989,Report = Verslag,,062112608X,,https://cir.nii.ac.jp/crid/1130282271523123712