APA aipamena

World Health Organization. (2000). The world health report 2000 health systems: Improving performance. World Health Organization.

Chicago Style aipamena

World Health Organization. The World Health Report 2000 Health Systems: Improving Performance. Geneva: World Health Organization, 2000.

MLA aipamena

World Health Organization. The World Health Report 2000 Health Systems: Improving Performance. World Health Organization, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.