APA (7th ed.) Zitazioa

Guerra-López, I. (2007). Evaluating impact: Evaluation and continual improvement for performance improvement practitioners. HDR Press.

Chicago Style (17th ed.) Zitazioa

Guerra-López, Ingrid. Evaluating Impact: Evaluation and Continual Improvement for Performance Improvement Practitioners. Amherst, Mass.: HDR Press, 2007.

MLA (9th ed.) Zitazioa

Guerra-López, Ingrid. Evaluating Impact: Evaluation and Continual Improvement for Performance Improvement Practitioners. HDR Press, 2007.