World Health organization. (2004). A Field Guide for Detection, Management and Surveillance of Arsenicosis.
Dyfyniad Arddull ChicagoWorld Health organization. A Field Guide for Detection, Management and Surveillance of Arsenicosis. 2004.
Dyfyniad MLAWorld Health organization. A Field Guide for Detection, Management and Surveillance of Arsenicosis. 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.