Cita APA (7a ed.)

POHLMANN. (2001). FIREWALL SYSTEM. MITP-VERLAG.

Cita Chicago Style (17a ed.)

POHLMANN. FIREWALL SYSTEM. GERMANY: MITP-VERLAG, 2001.

Cita MLA (9a ed.)

POHLMANN. FIREWALL SYSTEM. MITP-VERLAG, 2001.