Staff, W. H. O. (2004). Preventing Chronic Diseases: A Vital Investment. World Health Organization.
Cita Chicago Style (17a ed.)Staff, World Health Organization. Preventing Chronic Diseases: A Vital Investment. Geneve: World Health Organization, 2004.
Cita MLA (8a ed.)Staff, World Health Organization. Preventing Chronic Diseases: A Vital Investment. World Health Organization, 2004.
Precaución: Estas citas no son 100% exactas.