World Health Organization. (1997). Health imperatives for South - East Asia. World Health organization.
Chicago-referens (17:e uppl.)World Health Organization. Health Imperatives for South - East Asia. New Delhi: World Health organization, 1997.
MLA-referens (8:e uppl.)World Health Organization. Health Imperatives for South - East Asia. World Health organization, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.