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 continuing airworthiness of aircraft in service : methods of handling and exchange of information on airworthiness directives (or their equivalent),3rd ed,International Civil Aviation Organization,1977,ICAO circular,,,,https://cir.nii.ac.jp/crid/1130000796522504832