(1994). Division Of Diarrhoeal and Acute Respiratory Disease Control. WHO.
Cita Chicago Style (17a ed.)Division Of Diarrhoeal and Acute Respiratory Disease Control. Ginebra: WHO, 1994.
Cita MLA (9a ed.)Division Of Diarrhoeal and Acute Respiratory Disease Control. WHO, 1994.
Precaución: Estas citas no son 100% exactas.