Hale, J. A. (2002). Performance-Based evaluation: Tools and techniques to measure the impact of training. San Francisco: Jossey-Bass.
Παραπομπή Chicago StyleHale, Judith A. Performance-Based Evaluation: Tools and Techniques to Measure the Impact of Training. San Francisco: Jossey-Bass, 2002.
Παραπομπή MLAHale, Judith A. Performance-Based Evaluation: Tools and Techniques to Measure the Impact of Training. San Francisco: Jossey-Bass, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.