Cita APA (7th ed.)

CHESWICK,W R. (2003). FIREWALLS AND INTERNET SECURITY , 2 ND EDI. PEARSON.

Cita Chicago (17th ed.)

CHESWICK,W R. FIREWALLS AND INTERNET SECURITY , 2 ND EDI. DELHI: PEARSON, 2003.

Cita MLA (9th ed.)

CHESWICK,W R. FIREWALLS AND INTERNET SECURITY , 2 ND EDI. PEARSON, 2003.