World Health Organization. (2004). Health of the elderly in south- east asia: A profile. Worlld Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. Health of the Elderly in South- East Asia: A Profile. New Delhi: Worlld Health Organization, 2004.
Cita MLA (8a ed.)World Health Organization. Health of the Elderly in South- East Asia: A Profile. Worlld Health Organization, 2004.
Precaución: Estas citas no son 100% exactas.