World Health organization. (2009). Priority areas for research in communicable diseases. World Health Organization.
Cita Chicago Style (17a ed.)World Health organization. Priority Areas for Research in Communicable Diseases. New Delhi: World Health Organization, 2009.
Cita MLA (8a ed.)World Health organization. Priority Areas for Research in Communicable Diseases. World Health Organization, 2009.
Precaución: Estas citas no son 100% exactas.