Spanbauer, S. (2004). Ultimate network security: How to install a firewall. PC World Philippines.
芝加哥风格引文Spanbauer, Scott. "Ultimate Network Security: How to Install a Firewall." PC World Philippines 2004.
MLA引文Spanbauer, Scott. "Ultimate Network Security: How to Install a Firewall." PC World Philippines, 2004.
警告：这些引文格式不一定是100％准确.