Dyfyniad APA

Trived, A. (2009). Environmental monitoring and management. Alfa Publications.

Dyfyniad Arddull Chicago

Trived, Abha. Environmental Monitoring and Management. New Delhi: Alfa Publications, 2009.

Dyfyniad MLA

Trived, Abha. Environmental Monitoring and Management. Alfa Publications, 2009.

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