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
"Quasem, Md. Abul and Mondal, Abdul Hye and Mahmud, Simeen",A study of the informal sector in Bangladesh,,Bangladesh Institute of Development Studies,1998,Research report,,,,https://cir.nii.ac.jp/crid/1130000798021369856