World Health Organization. (2002). Research on reproductive Health at WHO: Biennial Report 2000-2001. World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Research on Reproductive Health at WHO: Biennial Report 2000-2001. Geneva: World Health Organization, 2002.
MLA-Zitierstil (8. Ausg.)World Health Organization. Research on Reproductive Health at WHO: Biennial Report 2000-2001. World Health Organization, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.