Richard B Jones. (1997). Risk based management. jaico publishing house.
Dyfyniad Arddull ChicagoRichard B Jones. Risk Based Management. Bombay: jaico publishing house, 1997.
Dyfyniad MLARichard B Jones. Risk Based Management. jaico publishing house, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.