Cita APA (7th ed.)

(1994). Division Of Diarrhoeal and Acute Respiratory Disease Control. WHO.

Cita Chicago (17th ed.)

Division Of Diarrhoeal and Acute Respiratory Disease Control. Ginebra: WHO, 1994.

Cita MLA (9th ed.)

Division Of Diarrhoeal and Acute Respiratory Disease Control. WHO, 1994.