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 "Kasper, Daniel M. and Economist Intelligence Unit (Great Britain)","The US regional airline industry to 1996 : markets, competition and the demand for aircraft",,Economist Intelligence Unit,1987,Special report,,,,https://cir.nii.ac.jp/crid/1130282273335604864