Silberman, M. L., & Auerbach, C. (1998). Active training: A handbook of techniques, designs, case examples, and tips (2nd edition.). Jossey-Bass.
Citazione stile Chigago Style (17a edizione)Silberman, Melvin L., e Carol Auerbach. Active Training: A Handbook of Techniques, Designs, Case Examples, and Tips. 2nd edition. San Francisco, California: Jossey-Bass, 1998.
Citatione MLA (9a ed.)Silberman, Melvin L., e Carol Auerbach. Active Training: A Handbook of Techniques, Designs, Case Examples, and Tips. 2nd edition. Jossey-Bass, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.