Dyfyniad APA

(2002). Encyclopaedia of environmental and pollution laws. Orient Law House.

Dyfyniad Arddull Chicago

Encyclopaedia of Environmental and Pollution Laws. New Delhi: Orient Law House, 2002.

Dyfyniad MLA

Encyclopaedia of Environmental and Pollution Laws. Orient Law House, 2002.

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