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.