World Health Organization. Fact sheets on HIV/AIDS for Nurses & Midwives. WHO.
Citazione stile Chigago Style (17a edizione)World Health Organization. Fact Sheets on HIV/AIDS for Nurses & Midwives. New Delhi: WHO.
Citatione MLA (8a ed.)World Health Organization. Fact Sheets on HIV/AIDS for Nurses & Midwives. WHO.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.