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
"Richards, P. J. (Peter J.)",Employment and unemployment in Ceylon,,Development Centre of the Organisation for Economic Co-operation and Development,1971,Development Centre studies,,,,https://cir.nii.ac.jp/crid/1130000797992597376