World Health Organization. (2003). Safe abortion: Technical and policy guidance for health systems (Primera edición.). Ediorial World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. Primera edición. Geneva: Ediorial World Health Organization, 2003.
MLA-referens (8:e uppl.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. Primera edición. Ediorial World Health Organization, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.