Cita APA (7th ed.)

Preskill, H., & Russ-Eft, D. F. (2008). Evaluator competencies: Standards for the practice of evaluation in organizations. Jossey-Bass.

Cita Chicago (17th ed.)

Preskill, Hallie, i Darlene F. Russ-Eft. Evaluator Competencies: Standards for the Practice of Evaluation in Organizations. San Francisco, CA: Jossey-Bass, 2008.

Cita MLA (8th ed.)

Preskill, Hallie, i Darlene F. Russ-Eft. Evaluator Competencies: Standards for the Practice of Evaluation in Organizations. Jossey-Bass, 2008.