World Health Organization & Ezzati, M. (2004). Comparative quantification of health risks: Global and regional burden of disease attributable to selected major risk factors. World Health Organization.
Dyfyniad Arddull ChicagoWorld Health Organization and Majid Ezzati. Comparative Quantification of Health Risks: Global and Regional Burden of Disease Attributable to Selected Major Risk Factors. Geneva: World Health Organization, 2004.
Dyfyniad MLAWorld Health Organization and Majid Ezzati. Comparative Quantification of Health Risks: Global and Regional Burden of Disease Attributable to Selected Major Risk Factors. World Health Organization, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.