Bibliografia

Principal

• ( ) Burns, D. (1999) The Feeling Good Handbook, Plume, New York.

Secundária

• David D. Burns (1999) Feeling Good Handbook Burns, D. (1999) Feeling Good Handbook, Penguin Putnam Inc.
• Frederick H. Wentz (2012) Soft Skills Training: A Workbook to Develop Skills for Employment Wentz, F. (2012). Soft Skills Training: A Workbook to Develop Skills for Employment. Charleston, SC.