Chris Frost, D. A. (2001). Operational Risk and Resilience. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Chris Frost, David Allen. Operational Risk and Resilience. ELSEVIER, 2001.
Lua MLA (8ú heag.)Chris Frost, David Allen. Operational Risk and Resilience. ELSEVIER, 2001.
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