World Health Organization. (1983). Strategies for health for all by the year 2000. World Health Organization.
Chicago Style aipamenaWorld Health Organization. Strategies for Health for All by the Year 2000. New Delhi: World Health Organization, 1983.
MLA aipamenaWorld Health Organization. Strategies for Health for All by the Year 2000. World Health Organization, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.