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 International Civil Aviation Organization,Statements by the council to contracting states on charges for airports and route air navigation facilities,,International Civil Aviation Organization,1981,Doc (International Civil Aviation Organization),,,,https://cir.nii.ac.jp/crid/1130000795953858304