Ziegler, R. L. (2000). Linux Firewalls. Indianapolis, Ind: New Riders.
Chicago Style CitationZiegler, Robert L. Linux Firewalls. Indianapolis, Ind: New Riders, 2000.
Cita MLAZiegler, Robert L. Linux Firewalls. Indianapolis, Ind: New Riders, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.