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 Great Britain. Government Actuary,"Report by the Government Actuary on the draft of the Social Security (Contributions, Re-rating) Order 1978",,H.M.S.O.,1978,Cmnd,,0101740301,,https://cir.nii.ac.jp/crid/1130282273240740480