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
"Speirs, Mike and Olsen, Ole",Indigenous integrated farming systems in the Sahel,,World Bank,1992,World Bank technical paper,,0821321803,,https://cir.nii.ac.jp/crid/1130000795192142336