Vaughan, E. J. (2001). Essentials of risk management and insuranceEmmett J. Vaughan, Therese M.Vaughan. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Vaughan, Emmett J. Essentials of Risk Management and InsuranceEmmett J. Vaughan, Therese M.Vaughan. John Wiley & Sons, 2001.
Lua MLA (8ú heag.)Vaughan, Emmett J. Essentials of Risk Management and InsuranceEmmett J. Vaughan, Therese M.Vaughan. John Wiley & Sons, 2001.
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