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 Telegraph and Telephone Consultative Committee. Plenary Assembly and International Telecommunication Union and International Telegraph and Telephone Consultative Committee,Specifications of signalling systems R1 and R2 : recommendations Q.310-Q.490,,International Telecommunication Union,1981,"Yellow book : VIIth Plenary Assembly, Geneva, 10-21 November 1980",,9261010814,,https://cir.nii.ac.jp/crid/1130000798142928640