World Health Organization. (2009). Monitoring emergency obstetric care: A handbook. World Health Organization.
Cita Chicago (17th ed.)World Health Organization. Monitoring Emergency Obstetric Care: A Handbook. [Geneva]: World Health Organization, 2009.
Cita MLA (9th ed.)World Health Organization. Monitoring Emergency Obstetric Care: A Handbook. World Health Organization, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.