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
"Heinritz, Günter and Abu Sin, Mohamed El-Hadi",Problems of agricultural development in the Sudan,,Herodot,1982,Forum,,3886940098,,https://cir.nii.ac.jp/crid/1130000793678858752