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 Cisco Networking Academy Program,"CCNA exploration course booklet, LAN switching and wireless, version 4.0",,Cisco Press,2009,Cisco networking academy series,,9781587132544,,https://cir.nii.ac.jp/crid/1130282272616509952