Cita APA (7th ed.)

COLLINS JON. (2015). SECURITY ARCHITECT: CAREERS IN IT SERVICE MANAGEMENT. BCS.

Cita Chicago (17th ed.)

COLLINS JON. SECURITY ARCHITECT: CAREERS IN IT SERVICE MANAGEMENT. CHENNAI: BCS, 2015.

Cita MLA (9th ed.)

COLLINS JON. SECURITY ARCHITECT: CAREERS IN IT SERVICE MANAGEMENT. BCS, 2015.