Bibliografia
Principal
- Burns, D. (1999) The Feeling Good Handbook, Plume, New York.:
Secundária
- Feeling Good Handbook : David D. Burns 1999 Burns, D. (1999) Feeling Good Handbook, Penguin Putnam Inc.
- Soft Skills Training: A Workbook to Develop Skills for Employment: Frederick H. Wentz 2012 Wentz, F. (2012). Soft Skills Training: A Workbook to Develop Skills for Employment. Charleston, SC.