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 "Hasan, F. R. M.",Ecology and rural class relations in Bangladesh : a study with special reference to three villages,,"[Supplied by the British Library, Document Supply Centre]",1980,British thesis,,,,https://cir.nii.ac.jp/crid/1130000794601469056