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 "Presidential Commission of Inquiry into the Working of Air Ceylon, 25-5 to 21-7","Interim report to His Excellency the President of Sri Lanka by the Commission appointed under Section 2 of the Commissions of Inquiry Act (Chapter 393), to Inquire into the Working, during the period commencing on 25.5.1970 and ending on 21.7.1977, of Air Ceylon in all its apspects and to recommend remedial measures",,"[Govt. of Ceylon],Dept. of Govt. Print.",1978,Sessional paper,,,,https://cir.nii.ac.jp/crid/1130000795552664832