APA aipamena

Organización Mundial de la Salud. (2009). Global health risks: Mortality and burden of disease attributable to selected major risks. Ginebra: World Health Organization.

MLA aipamena

Organización Mundial de la Salud. Global Health Risks: Mortality and Burden of Disease Attributable to Selected Major Risks. Ginebra: World Health Organization, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.