Fitz-Gibbon, C. T., & Morris, L. L. (1978). 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. Beverly Hills, Calif.: Sage Publications, 1978.
Lua MLA (8ú heag.)Fitz-Gibbon, Carol Taylor, agus Lynn Lyons Morris. How to Design a Program Evaluation. Sage Publications, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.