7Bonner R L,Rich A R. Aprospective investigation of suicidal ideation in college student: A test of a model[J]. Suicide and Life-Threatening Behavior, 1988,18 (3) :245-258.
8Beck A T,Steer R A,Ranieri W F. Scale for suicide ideation:psycho- metric properties of a self-report version [J]. J Clin Psychology, 1988,44 (4) : 499-505.
9Wetzel R D. Ratings of life and death and suicide intent[J]. Psychological Reports, 1975,37: 879-885.
10Kachur S P, Potter L B, Powell K E, et al. Suicide: Epidemiology, prevention, treatment[J]. Adolescent Medicine, 1995,6 ( 2 ): 171- 182.