World Health Organization, Geneva. (2000). Environmental health criteria 216: Disinfectants and disinfectant by -products. World Health Organization.
Dyfyniad Arddull ChicagoWorld Health Organization, Geneva. Environmental Health Criteria 216: Disinfectants and Disinfectant by -products. Geneva: World Health Organization, 2000.
Dyfyniad MLAWorld Health Organization, Geneva. Environmental Health Criteria 216: Disinfectants and Disinfectant by -products. World Health Organization, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.