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
"Roberts, Steven K.","International directory of telecommunications : market trends, companies, statistics, and personnel",,Longman,1984,Companion for industry,,0582900212,,https://cir.nii.ac.jp/crid/1130282270095602816