Silberm, M., & Auerbach, C. (1998). Active training: A handbook of techniques, designs, case examples, and tips (2nd ed.). Jossey-Bass Publishers.

Silberm, Mel, and Carol Auerbach. Active Training: A Handbook of Techniques, Designs, Case Examples, and Tips. 2nd ed. San Francisco,CA: Jossey-Bass Publishers, 1998.

Silberm, Mel, and Carol Auerbach. Active Training: A Handbook of Techniques, Designs, Case Examples, and Tips. 2nd ed. Jossey-Bass Publishers, 1998.