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
"Christiansen, Robert E. and Brink, Rogerius Johannes Eugenius van den and World Bank. Southern Africa Dept.","South African agriculture : structure, performance and options for the future",,"Southern Africa Dept., World Bank",1994,Discussion paper,,,,https://cir.nii.ac.jp/crid/1130282268955193984