World Health Organization. (2003). Surgical care at the district hospital. World Health Organization.
Cita Chicago (17th ed.)World Health Organization. Surgical Care at the District Hospital. Geneva: World Health Organization, 2003.
Cita MLA (8th ed.)World Health Organization. Surgical Care at the District Hospital. World Health Organization, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.