Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
National Board for Prices and Incomes and Great Britain. Dept. of Employment and Productivity and Great Britain. Minister of Power,"Electricity supply industry national guidelines covering productivity payments : presented to Parliament by the First Secretary of State and Secretary of State for Employment and Productivity and the Minister of Power by command of Her Majesty, July 1968",,H.M.S.O,1968,Report,,0101372604,,https://cir.nii.ac.jp/crid/1130282270312330112