Dyfyniad APA

Patton, M. Q. (1997). Utilization-focused evaluation: The new century text (3rd ed.). Sage Publications.

Dyfyniad Arddull Chicago

Patton, Michael Quinn. Utilization-focused Evaluation: The New Century Text. 3rd ed. Thousand Oaks ; London ; New Delhi: Sage Publications, 1997.

Dyfyniad MLA

Patton, Michael Quinn. Utilization-focused Evaluation: The New Century Text. 3rd ed. Sage Publications, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.