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
"Jahr, Dale and United States. Congress. Joint Economic Committee. Subcommittee on Agriculture and Transportation",Public policy considerations of pricing telephone services : a staff study,,U.S. Govt. Print. Off.,1984,S. prt.,,,,https://cir.nii.ac.jp/crid/1130000794713474176