1. Personality;Allport,1937
2. Diagnostic and statistical manual of mental disorders (DSM-IV),1994
3. The age of anxiety: a baroque eclogue;Auden,1947
4. Second symphony, “the age of anxiety”;Bernstein,1949
5. The role of coping responses and social resources among adults with unipolar depression;Billings;Journal of Personality and Social Psychology,1981