COLLINS JON. (2015). SECURITY ARCHITECT: CAREERS IN IT SERVICE MANAGEMENT. BCS.
Chicago-čujuhus (17. p.)COLLINS JON. SECURITY ARCHITECT: CAREERS IN IT SERVICE MANAGEMENT. CHENNAI: BCS, 2015.
MLA-čujuhus (9. p.)COLLINS JON. SECURITY ARCHITECT: CAREERS IN IT SERVICE MANAGEMENT. BCS, 2015.
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