World Health Organization. (1997). Health imperatives for South - East Asia. World Health organization.
Cita Chicago Style (17a ed.)World Health Organization. Health Imperatives for South - East Asia. New Delhi: World Health organization, 1997.
Cita MLA (8a ed.)World Health Organization. Health Imperatives for South - East Asia. World Health organization, 1997.
Precaución: Estas citas no son 100% exactas.