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
"Ahmed, El-Sayed Abbas",An empirical study of the financing of small enterprise development in Sudan,,Supplied by the British Library Document Supply Centre,1987,British thesis service,,,,https://cir.nii.ac.jp/crid/1130282270438903936