Gaya APA
Vacca, John A.. (2010).
Managing Information Security .
USA:
Syngress Publishing Inc.
Gaya Chicago
Vacca, John A..
Managing Information Security.
USA:
Syngress Publishing Inc,
2010.
.
Gaya MLA
Vacca, John A..
Managing Information Security.
USA:
Syngress Publishing Inc,
2010.
.
Gaya Turabian
Vacca, John A..
Managing Information Security.
USA:
Syngress Publishing Inc,
2010.
.