World Health Organization. (2001). Sexually transmitted infections: Briefing kit for teachers. World Health Organization.
Chicago (17e ed.) BronvermeldingWorld Health Organization. Sexually Transmitted Infections: Briefing Kit for Teachers. Manila, Philippines: World Health Organization, 2001.
MLA (8e ed.) BronvermeldingWorld Health Organization. Sexually Transmitted Infections: Briefing Kit for Teachers. World Health Organization, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.