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,"Agreement : between the civil aviationauthorities of Denmark, the Netherands, Norway, Sweden, and Switzerland : covering the technical co-operation agreements between KLM, SAS, and Swissair",,International Civil Aviation Organization,1972,ICAO circular,,,,https://cir.nii.ac.jp/crid/1130000797444989184