World Health Organization. (2003). Safe abortion: Technical and policy guidance for health systems (Primera edición.). Ediorial World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. Primera edición. Geneva: Ediorial World Health Organization, 2003.
MLA-Zitierstil (8. Ausg.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. Primera edición. Ediorial World Health Organization, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.