CD-ROM atau Online System
Artikel Jurnal
Bradley, Phil
Going online, CD-ROM and the internet
Buku Referensi
Bradley, Phil
Going online, CD-ROM and the internet
Aslib, 1997
Buku Teks
Bradley, Phil
Going online, CD-ROM and the internet
Aslib, the Association for Information Management, 1997
Buku Teks
Chowdhury, G.G.
Searching CD-ROM and online information sources
Library Association, 2001
Buku Teks