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 Statistical Service and Great Britain. Department of Transport,Traffic speed on roads in central London : a compilation of historical results,,H.M. Stationery Off.,1989,Transport statistics report,,0115509399,,https://cir.nii.ac.jp/crid/1130282269948641920