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
"Eugenio, Ofelia and Institute of National Affairs and Consultative Implementation and Monitoring Council. Informal Sector Committee",PNG informal sector study report : review of constraints to informal sector development,,Institute of National Affairs,2001,Discussion paper,,9980771151,,https://cir.nii.ac.jp/crid/1130282271097153408