Cita APA (7a ed.)

GONCALVES, M. (2000). FIREWALLS: A COMPLETE GUIDE. MCG.

Cita Chicago Style (17a ed.)

GONCALVES, M. FIREWALLS: A COMPLETE GUIDE. NEW-YORK: MCG, 2000.

Cita MLA (9a ed.)

GONCALVES, M. FIREWALLS: A COMPLETE GUIDE. MCG, 2000.