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 "Montgomery, Richard",Disciplining or protecting the poor? Avoiding the social costs of peer pressure in solidarity group micro-credit schemes,,"Centre for Development Studies, Swansea",1995,Papers in international development,,0906250277,,https://cir.nii.ac.jp/crid/1130282273251205504