APA
Northcutt S. [. a., Zeltser L., Winters S., Frederick K. k. & and Ritchy R. W. (2003). Inside network perimeter security. USA: New Riders.
Chicago
Northcutt Stephen [et al.], Zeltser Lenny, Winters Scott, Frederick Karen kent and and Ritchy Ronald W. 2003. Inside network perimeter security. USA: New Riders.
Harvard
Northcutt S. [. a., Zeltser L., Winters S., Frederick K. k. and and Ritchy R. W. (2003). Inside network perimeter security. USA: New Riders.
MLA
Northcutt Stephen [et al.], Zeltser Lenny, Winters Scott, Frederick Karen kent and and Ritchy Ronald W. Inside network perimeter security. USA: New Riders. 2003.
