Dyfyniad APA

ebrary, Inc, Wilhelmsen, C. A., & Ostrom, L. T. (2012). Risk assessment: Tools, techniques, and their applications. Wiley.

Dyfyniad Arddull Chicago

ebrary, Inc, Cheryl A. Wilhelmsen, and Lee T. Ostrom. Risk Assessment: Tools, Techniques, and Their Applications. Hoboken, New Jersey: Wiley, 2012.

Dyfyniad MLA

ebrary, Inc, et al. Risk Assessment: Tools, Techniques, and Their Applications. Wiley, 2012.

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