World Health Organization. (1997). Post- abortion family planning a practical guide for programme managers. World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Post- Abortion Family Planning a Practical Guide for Programme Managers. Geneva: World Health Organization, 1997.
MLA-Zitierstil (8. Ausg.)World Health Organization. Post- Abortion Family Planning a Practical Guide for Programme Managers. World Health Organization, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.