World Health Organization. (2003). Safe abortion: Technical and policy guidance for health systems (Primera edición.). Ediorial World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. Primera edición. Geneva: Ediorial World Health Organization, 2003.
Citatione MLA (8a ed.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. Primera edición. Ediorial World Health Organization, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.