Dyfyniad APA

Williams, C. A. (1995). Risk management and insurance. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Williams, C Arthur. Risk Management and Insurance. New York: McGraw-Hill, 1995.

Dyfyniad MLA

Williams, C Arthur. Risk Management and Insurance. New York: McGraw-Hill, 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.