Weiss, C. H. (1972). Evaluation research: Methods for assessing program effectiveness. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Weiss, Carol H. Evaluation Research: Methods for Assessing Program Effectiveness. Englewood Cliffs, NJ: Prentice-Hall, 1972.
Citatione MLA (9a ed.)Weiss, Carol H. Evaluation Research: Methods for Assessing Program Effectiveness. Prentice-Hall, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.