World Health Organization. (2000). The world health report 2000 health systems: Improving performance. World Health Organization.
Citación estilo ChicagoWorld Health Organization. The World Health Report 2000 Health Systems: Improving Performance. Geneva: World Health Organization, 2000.
Cita MLAWorld Health Organization. The World Health Report 2000 Health Systems: Improving Performance. World Health Organization, 2000.
Warning: These citations may not always be 100% accurate.