Patton, M. Q. (1997). Utilization-focused evaluation: The new century text (3rd ed.). Sage Publications.
Lua i Stíl Chicago (17ú heag.)Patton, Michael Quinn. Utilization-focused Evaluation: The New Century Text. 3rd ed. Thousand Oaks ; London ; New Delhi: Sage Publications, 1997.
Lua MLA (8ú heag.)Patton, Michael Quinn. Utilization-focused Evaluation: The New Century Text. 3rd ed. Sage Publications, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.