International Business Machines Corporation. International Technical Support Organization, ebrary, Inc, & Cook, J. (2004). Networking (Student ed.). IBM International Technical Support Organization.
Chicago-referens (17:e uppl.)International Business Machines Corporation. International Technical Support Organization, Inc ebrary, och Jim Cook. Networking. Student ed. Rochester, MN: IBM International Technical Support Organization, 2004.
MLA-referens (9:e uppl.)International Business Machines Corporation. International Technical Support Organization, et al. Networking. Student ed. IBM International Technical Support Organization, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.