Dyfyniad APA

Crougy, M. (2005). Essentials of Risk Management. McGraw-Hill.

Dyfyniad Arddull Chicago

Crougy, Michel. Essentials of Risk Management. New York: McGraw-Hill, 2005.

Dyfyniad MLA

Crougy, Michel. Essentials of Risk Management. McGraw-Hill, 2005.

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