APA-referens (7:e uppl.)
Fisher, D. (Nov 8, 2004). Group Selling PIX Source Code; A group that earlier this year offered for sale the source code of a popular intrusion detection system now is selling what it says is a copy of the source code for a recent version of Cisco Systems Inc.'s PIX firewall. eWeek.
Chicago-referens (17:e uppl.)
Fisher, Dennis. "Group Selling PIX Source Code; A Group That Earlier This Year Offered for Sale the Source Code of a Popular Intrusion Detection System Now Is Selling What It Says Is a Copy of the Source Code for a Recent Version of Cisco Systems Inc.'s PIX Firewall." EWeek Nov 8, 2004.
MLA-referens (9:e uppl.)
Fisher, Dennis. "Group Selling PIX Source Code; A Group That Earlier This Year Offered for Sale the Source Code of a Popular Intrusion Detection System Now Is Selling What It Says Is a Copy of the Source Code for a Recent Version of Cisco Systems Inc.'s PIX Firewall." EWeek, Nov 8, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.