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 International Labour Office,Reports to the government of Ceylon on labour-management relations training and on labour-management relations and personnel management at the Gal Oya Development Board,,International Labor Office,1964,Labour-management relations series,,,,https://cir.nii.ac.jp/crid/1130000798236393600