UNAIDS. (2002). HIV/AIDS counselling, just a phone call away: Four case studies of telephone hotline/helpline projects. UNAIDS.
Chicago (17e ed.) BronvermeldingUNAIDS. HIV/AIDS Counselling, Just a Phone Call Away: Four Case Studies of Telephone Hotline/helpline Projects. Geneva: UNAIDS, 2002.
MLA (8e ed.) BronvermeldingUNAIDS. HIV/AIDS Counselling, Just a Phone Call Away: Four Case Studies of Telephone Hotline/helpline Projects. UNAIDS, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.