World Health Organization. (2001). Suicide Prevention: Emerging from darkness. World Health Organization.
Chicago Style aipamenaWorld Health Organization. Suicide Prevention: Emerging from Darkness. NeW Delhi: World Health Organization, 2001.
MLA aipamenaWorld Health Organization. Suicide Prevention: Emerging from Darkness. World Health Organization, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.