World Health Organization. Fact sheets on HIV/AIDS for Nurses & Midwives. WHO.
Dyfyniad Arddull ChicagoWorld Health Organization. Fact Sheets on HIV/AIDS for Nurses & Midwives. New Delhi: WHO.
Dyfyniad MLAWorld Health Organization. Fact Sheets on HIV/AIDS for Nurses & Midwives. WHO.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.