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Dyfyniad Arddull ChicagoVaughan, Emmett J. Essentials of Risk Management and InsuranceEmmett J. Vaughan, Therese M.Vaughan. John Wiley & Sons, 2001.
Dyfyniad MLAVaughan, Emmett J. Essentials of Risk Management and InsuranceEmmett J. Vaughan, Therese M.Vaughan. John Wiley & Sons, 2001.
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