World Health Organization. (2000). The world health report 2000 health systems: Improving performance. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. The World Health Report 2000 Health Systems: Improving Performance. Geneva: World Health Organization, 2000.
Cita MLA (8a ed.)World Health Organization. The World Health Report 2000 Health Systems: Improving Performance. World Health Organization, 2000.
Precaución: Estas citas no son 100% exactas.