(2001). The World Health Report 2000: Health Systems: Improving Performance. Association of Schools of Public Health.
Chicago Style aipamenaThe World Health Report 2000: Health Systems: Improving Performance. Association of Schools of Public Health, 2001.
MLA aipamenaThe World Health Report 2000: Health Systems: Improving Performance. Association of Schools of Public Health, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.