Andrés, S., & Kenyon, B. (2004). Security sage's guide to hardening the network infrastructure. Syngress.
Chicago Style (17. basım) AtıfAndrés, Steven, ve Brian Kenyon. Security Sage's Guide to Hardening the Network Infrastructure. Rockland, MA: Syngress, 2004.
MLA (9th ed.) AtıfAndrés, Steven, ve Brian Kenyon. Security Sage's Guide to Hardening the Network Infrastructure. Syngress, 2004.
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