Gaya APA
STALLINGS, William. (2003).
NETWORK SECURITY ESSENTIALS (2).
:
.
Gaya Chicago
STALLINGS, William.
NETWORK SECURITY ESSENTIALS.
2
:
,
2003.
Text.
Gaya MLA
STALLINGS, William.
NETWORK SECURITY ESSENTIALS.
2
:
,
2003.
Text.
Gaya Turabian
STALLINGS, William.
NETWORK SECURITY ESSENTIALS.
2
:
,
2003.
Print.