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 "Matsebula, M. S. and SAPES Trust and Southern Africa Regional Institute for Policy Studies",The urban informal sector : a historical and structural analysis with special reference to Swaziland,,SAPES Books,1996,Economic policy series,,1779050410,,https://cir.nii.ac.jp/crid/1130282271100107776