World Health Organization. (2007). Scalling up Antiretroviral Treatment. World Health Organization.
Cita Chicago (17th ed.)World Health Organization. Scalling Up Antiretroviral Treatment. New Delhi: World Health Organization, 2007.
Cita MLA (8th ed.)World Health Organization. Scalling Up Antiretroviral Treatment. World Health Organization, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.