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,The economic situation of international airports 1970 (results of an ad hoc survey),,International Civil Aviation Organization,1973,ICAO circular,,,,https://cir.nii.ac.jp/crid/1130000795423742208