Lua APA (7ú heag.)

VAUGHAN, E. J. (1997). Risk management. John Wiley and Sons.

Lua i Stíl Chicago (17ú heag.)

VAUGHAN, Emmett J. Risk Management. New York: John Wiley and Sons, 1997.

Lua MLA (9ú heag.)

VAUGHAN, Emmett J. Risk Management. John Wiley and Sons, 1997.

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