Cita APA (7th ed.)

Pike, J. (2002). Cisco network security. Prentice Hall.

Cita Chicago (17th ed.)

Pike, James. Cisco Network Security. Upper Saddle River, N.J: Prentice Hall, 2002.

Cita MLA (9th ed.)

Pike, James. Cisco Network Security. Prentice Hall, 2002.