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 "Hlela, Kenneth Siphelelo and Centre for Policy Studies (Johannesburg, South Africa) and University of Sussex. Institute of Development Studies",Dilemmas of collective action in the informal economy : how the other quarter lives?,,Centre for Policy Studies,2003,Policy : issues & actors,,1919708685,,https://cir.nii.ac.jp/crid/1130282269086139136