World Health Organization. (2007). Scalling up Antiretroviral Treatment. World Health Organization.
Chicago Style aipamenaWorld Health Organization. Scalling Up Antiretroviral Treatment. New Delhi: World Health Organization, 2007.
MLA aipamenaWorld Health Organization. Scalling Up Antiretroviral Treatment. World Health Organization, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.