Mohr, L. B. (1995). Impact analysis for program evaluation (2nd ed.). Sage Publications.
Citazione stile Chigago Style (17a edizione)Mohr, Lawrence B. Impact Analysis for Program Evaluation. 2nd ed. Thousand Oaks, Calif.: Sage Publications, 1995.
Citatione MLA (8a ed.)Mohr, Lawrence B. Impact Analysis for Program Evaluation. 2nd ed. Sage Publications, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.