World Health Organization. (2007). Scalling up Antiretroviral Treatment. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. Scalling Up Antiretroviral Treatment. New Delhi: World Health Organization, 2007.
Cita MLA (8a ed.)World Health Organization. Scalling Up Antiretroviral Treatment. World Health Organization, 2007.
Precaución: Estas citas no son 100% exactas.