Citazione Stile APA (7a Edizione)

Umila, B. V. Path analysis and the discrepancy evaluation model: An approach to program evaluation. Education quarterly..

Citazione stile Chigago Style (17a edizione)

Umila, Benwardo V. "Path Analysis and the Discrepancy Evaluation Model: An Approach to Program Evaluation." Education Quarterly. .

Citatione MLA (9a ed.)

Umila, Benwardo V. "Path Analysis and the Discrepancy Evaluation Model: An Approach to Program Evaluation." Education Quarterly., .