Fitz-Gibbon, C. T., & Morris, L. L. (1987). How to design a program evaluation. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Fitz-Gibbon, Carol Taylor, agus Lynn Lyons Morris. How to Design a Program Evaluation. Newbury Park, Calif: Sage Publications, 1987.
Lua MLA (9ú heag.)Fitz-Gibbon, Carol Taylor, agus Lynn Lyons Morris. How to Design a Program Evaluation. Sage Publications, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.