(2006). Nortel guide to VPN routing for security and VoIP / James Edwards, Richard Bramante, Al Martin.
Cita Chicago (17th ed.)Nortel Guide to VPN Routing for Security and VoIP / James Edwards, Richard Bramante, Al Martin. 2006.
Cita MLA (9th ed.)Nortel Guide to VPN Routing for Security and VoIP / James Edwards, Richard Bramante, Al Martin. 2006.
Atenció: Aquestes cites poden no estar 100% correctes.