(2006). Frequently asked clinical questions about medical abortion. World Health Organization.
Chicago-Zitierstil (17. Ausg.)Frequently Asked Clinical Questions About Medical Abortion. Geneva, Switzerland: World Health Organization, 2006.
MLA-Zitierstil (9. Ausg.)Frequently Asked Clinical Questions About Medical Abortion. World Health Organization, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.