Mertens, D. M., & Wilson, A. T. (2019). Program evaluation theory and practice: A comprehensive guide (2nd ed.). Guilford Press.
Citazione stile Chigago Style (17a edizione)Mertens, Donna M., e Amy T. Wilson. Program Evaluation Theory and Practice: A Comprehensive Guide. 2nd ed. New York: Guilford Press, 2019.
Citatione MLA (9a ed.)Mertens, Donna M., e Amy T. Wilson. Program Evaluation Theory and Practice: A Comprehensive Guide. 2nd ed. Guilford Press, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.