Silberman Mel. (1998). Active Training: A Handbook of Techniques, Designs, Case Examples, and Tips. American: Jossey- Bass / Pfeiffer.
Παραπομπή Chicago StyleSilberman Mel. Active Training: A Handbook of Techniques, Designs, Case Examples, and Tips. American: Jossey- Bass / Pfeiffer, 1998.
Παραπομπή MLASilberman Mel. Active Training: A Handbook of Techniques, Designs, Case Examples, and Tips. American: Jossey- Bass / Pfeiffer, 1998.
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