Bradberry, T., & Greaves, J. (2005). The emotional intelligence quick book: Everything you need to know to put your EQ to work (1st Fireside ed.). Simon & Schuster.

Bradberry, Travis, and Jean Greaves. The Emotional Intelligence Quick Book: Everything You Need to Know to Put Your EQ to Work. 1st Fireside ed. New York: Simon & Schuster, 2005.

Bradberry, Travis, and Jean Greaves. The Emotional Intelligence Quick Book: Everything You Need to Know to Put Your EQ to Work. 1st Fireside ed. Simon & Schuster, 2005.