World Health Organization & World Federation of Neurology. (2004). Atlas country resources for neurological disorders. World Health Organization.
Dyfyniad Arddull ChicagoWorld Health Organization and World Federation of Neurology. Atlas Country Resources for Neurological Disorders. Geneva, Switzerland: World Health Organization, 2004.
Dyfyniad MLAWorld Health Organization and World Federation of Neurology. Atlas Country Resources for Neurological Disorders. World Health Organization, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.