Frost, C. (2001). Operational Risk and Resilience. Currency and Doubleday.
Lua i Stíl Chicago (17ú heag.)Frost, Chris. Operational Risk and Resilience. New York: Currency and Doubleday, 2001.
Lua MLA (9ú heag.)Frost, Chris. Operational Risk and Resilience. Currency and Doubleday, 2001.
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