Fitz-Gibbon, C. T., & Morris, L. L. (1987). How to design a program evaluation (2nd ed.). Sage Publications.
Chicago-viite (17. p.)Fitz-Gibbon, Carol Taylor, ja Lynn Lyons Morris. How to Design a Program Evaluation. 2nd ed. Newbury Park, Calif.: Sage Publications, 1987.
MLA-viite (8. p.)Fitz-Gibbon, Carol Taylor, ja Lynn Lyons Morris. How to Design a Program Evaluation. 2nd ed. Sage Publications, 1987.
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