APA引文

Ding, K. C. (2005). Network security tools-firewall / Ding Khoon Chong.

芝加哥风格引文

Ding, Khoon Chong. Network Security Tools-firewall / Ding Khoon Chong. 2005.

MLA引文

Ding, Khoon Chong. Network Security Tools-firewall / Ding Khoon Chong. 2005.

警告：这些引文格式不一定是100％准确.