World Health Organization. (2000). Promoting condoms in clinic for sexually transmitted infections. World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Promoting Condoms in Clinic for Sexually Transmitted Infections. Manila, Philippines: World Health Organization, 2000.
MLA-Zitierstil (8. Ausg.)World Health Organization. Promoting Condoms in Clinic for Sexually Transmitted Infections. World Health Organization, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.