World Health Organization. (2000). World directory of medical schools (7th-ed.). World Health organization.
Chicago Style aipamenaWorld Health Organization. World Directory of Medical Schools. 7th-ed. Geneva: World Health organization, 2000.
MLA aipamenaWorld Health Organization. World Directory of Medical Schools. 7th-ed. World Health organization, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.