APA
Pentamedia Graphics Limited, . (2000). Firewall: Internet Security. Chennai: Pentamedia Graphics Limited.
Chicago
Pentamedia Graphics Limited, . 2000. Firewall: Internet Security. Chennai: Pentamedia Graphics Limited.
Harvard
Pentamedia Graphics Limited, . (2000). Firewall: Internet Security. Chennai: Pentamedia Graphics Limited.
MLA
Pentamedia Graphics Limited, . Firewall: Internet Security. Chennai: Pentamedia Graphics Limited. 2000.
