World Health Organization. (1997). Health imperatives for South - East Asia. World Health organization.
Dyfyniad Arddull ChicagoWorld Health Organization. Health Imperatives for South - East Asia. New Delhi: World Health organization, 1997.
Dyfyniad MLAWorld Health Organization. Health Imperatives for South - East Asia. World Health organization, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.