1. Debates on Evaluation. Thousand Oaks, Calif.: Sage, 1990.
2. and Using Evaluations: Does It Make a Difference? Thousand Oaks, Calif.: Sage, 1979.
3. and “Measuring Evaluation-Induced Change in Mental Health Programs.” In (ed.), Utilizing Evaluation: Concepts and Measurement Techniques. Thousand Oaks, Calif.: Sage, 1981.
4. and The Profession and Practice of Program Evaluation. San Francisco: Jossey-Bass, 1978.
5. and Action Science. San Francisco: Jossey-Bass, 1985.