Bens, I. (2012). Facilitating with ease!: Core skills for facilitators, team leaders and members, managers, consultants, and trainers (3rd ed.). Jossey-Bass.

Bens, Ingrid. Facilitating with Ease!: Core Skills for Facilitators, Team Leaders and Members, Managers, Consultants, and Trainers. 3rd ed. San Francisco: Jossey-Bass, 2012.

Bens, Ingrid. Facilitating with Ease!: Core Skills for Facilitators, Team Leaders and Members, Managers, Consultants, and Trainers. 3rd ed. Jossey-Bass, 2012.