World Health Organization. (2012). Safe abortion: Technical and policy guidance for health systems (2nd ed.). World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. 2nd ed. Geneva: World Health Organization, 2012.
MLA-Zitierstil (8. Ausg.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. 2nd ed. World Health Organization, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.