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. Prime Minister,Explanatory memorandum on the Pensions (Increase) Bill 1971,,Her Majesty's Stationery Office,1971,Cmnd,,010146570X,,https://cir.nii.ac.jp/crid/1130282270364998400