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. Monopolies and Mergers Commission,"Foreign package holidays : a report on the matter of the existence or the possible existence of a complex monopoly situation in relation to the supply in the United Kingdom of agency services by travel agents for tour operators in relation to the marketing and supply of foreign package holidays : presented to Parliament by the Secretary of State for Trade and Industry by Command of Her Majesty, September 1986",,H.M.S.O,1986,Cmnd,,0101987900,,https://cir.nii.ac.jp/crid/1130282270611068928