BDI-II, Beck depression inventory : manual
Aaron T. Beck (Author), Robert A. Steer (Author), Gregory K. Brown (Author)
A 21-item self-report instrument for measuring the severity of depression in adults and adolescents aged 13 years and older
Print Book, English, 1996
Second edition
Psychological Corp. ; Harcourt Brace, San Antonio, Tex., Boston, 1996