Rossi, Evaluation 7e
In this completely revised Seventh Edition, the authors include the latest techniques and approaches to evaluation as well as guidelines to tailor evaluations to fit programs and social contexts. Additionally, scores of new examples help students understand how evaluators deal with various critical issues.

Donaldson, What Counts as Credible Evidence in Applied Research and Evaluation Practice?
Placing into perspective the meaning of evidence for evaluation professionals and applied researchers, this text provides observations about the diversity and changing nature of credible evidence, Editors Stewart I. Donaldson, Christina A. Christie, and Melvin M. Mark include lessons from their own applied research and evaluation practice, and suggest ways in which practitioners might address the key issues and challenges of collecting credible evidence.