APA aipamena

Ziegler, R. L. (2000). Linux Firewalls. Indianapolis, Ind: New Riders.

Chicago Style aipamena

Ziegler, Robert L. Linux Firewalls. Indianapolis, Ind: New Riders, 2000.

MLA aipamena

Ziegler, Robert L. Linux Firewalls. Indianapolis, Ind: New Riders, 2000.