World Health Organization. (2002). National health research systems: Report of an international workshop. World Health Organization.
Chicago Style aipamenaWorld Health Organization. National Health Research Systems: Report of an International Workshop. France: World Health Organization, 2002.
MLA aipamenaWorld Health Organization. National Health Research Systems: Report of an International Workshop. World Health Organization, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.