Cita APA (7a ed.)

Helfrich, D. (2006). Cisco Network Admission Control. Cisco Press.

Cita Chicago Style (17a ed.)

Helfrich, Denise. Cisco Network Admission Control. Indianapolis, Ind.: Cisco Press, 2006.

Cita MLA (8a ed.)

Helfrich, Denise. Cisco Network Admission Control. Cisco Press, 2006.