World Health Organization. (2002). National health research systems: Report of an international workshop. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. National Health Research Systems: Report of an International Workshop. France: World Health Organization, 2002.
Citatione MLA (8a ed.)World Health Organization. National Health Research Systems: Report of an International Workshop. World Health Organization, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.