Παραπομπή APA

Bhatnagar,O P. (1987). Evaluation Methodology For Training: Theory and Practice. oxford.

Παραπομπή Chicago Style

Bhatnagar,O P. Evaluation Methodology For Training: Theory and Practice. new delhi: oxford, 1987.

Παραπομπή MLA

Bhatnagar,O P. Evaluation Methodology For Training: Theory and Practice. oxford, 1987.