Preskill, H., & Russ-Eft, D. F. (2008). Evaluator competencies: Standards for the practice of evaluation in organizations. Jossey-Bass.
Citace podle Chicago (17th ed.)Preskill, Hallie, a Darlene F. Russ-Eft. Evaluator Competencies: Standards for the Practice of Evaluation in Organizations. San Francisco, CA: Jossey-Bass, 2008.
Citace podle MLA (8th ed.)Preskill, Hallie, a Darlene F. Russ-Eft. Evaluator Competencies: Standards for the Practice of Evaluation in Organizations. Jossey-Bass, 2008.
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