World Health Organization. (2000). The world health report 2000 health systems: Improving performance. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. The World Health Report 2000 Health Systems: Improving Performance. Geneva: World Health Organization, 2000.
Citatione MLA (8a ed.)World Health Organization. The World Health Report 2000 Health Systems: Improving Performance. World Health Organization, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.