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 National Board for Prices and Incomes and Great Britain. Dept. of Employment and Great Britain. Dept. of the Environment,"Costs, charges and productivity of the National Freight Corporation : presented to Parliament by the Secretary of State for Employment and the Secretary of State for the Environment by command of her Majesty January 1971",,H.M.S.O,1971,Report,,0101456905,,https://cir.nii.ac.jp/crid/1130282271406882176