Dyfyniad APA

Lanerche, I. (2001). Environmental risk analysis. New York, NY: McGraw-Hill.

Dyfyniad Arddull Chicago

Lanerche, Ian. Environmental Risk Analysis. New York, NY: McGraw-Hill, 2001.

Dyfyniad MLA

Lanerche, Ian. Environmental Risk Analysis. New York, NY: McGraw-Hill, 2001.

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