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
"Simkins, C. E. W. (Charles Edward Wickens)",The demographic demand for labour and institutional context of African unemployment in South Africa : 1960-1980,,Southern Africa Labour and Development Research Unit,1981,Saldru working paper,,0799204315,,https://cir.nii.ac.jp/crid/1130282271413357440