World Health Organization. Fact sheets on HIV/AIDS for Nurses & Midwives. WHO.
Chicago Style aipamenaWorld Health Organization. Fact Sheets on HIV/AIDS for Nurses & Midwives. New Delhi: WHO.
MLA aipamenaWorld Health Organization. Fact Sheets on HIV/AIDS for Nurses & Midwives. WHO.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.