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 League of Nations,Communications and Transit Organisation: committee of Enquiry on Questions relating to Public Works and National Technical Equipment. Report on the first two sessions of the Committee,,[s.n.],1932,Series of League of Nations publications,,,,https://cir.nii.ac.jp/crid/1130000796159044096