World Health Organization. (2012). Safe abortion: Technical and policy guidance for health systems (2nd ed.). World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. 2nd ed. Geneva: World Health Organization, 2012.
MLA-referens (8:e uppl.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. 2nd ed. World Health Organization, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.