Hope this helps. The family has got to bite the bullet to save this girls life. Take care.
National Institute for Mental Health
http://www.nimh.nih.gov/health/publications/depression/complete-publication.shtml
The American Foundation for Suicide Prevention
http://www.afsp.org/
Suicide Awareness Voices of Education
http://www.save.org/
Depression.com
http://www.depression.com/