Dyfyniad APA

(1999). Environmental management-Examples of environmental performance evaluation (EPE). Geneva: Dansk Standard.

Dyfyniad Arddull Chicago

Environmental Management-Examples of Environmental Performance Evaluation (EPE). Geneva: Dansk Standard, 1999.

Dyfyniad MLA

Environmental Management-Examples of Environmental Performance Evaluation (EPE). Geneva: Dansk Standard, 1999.

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