Dyfyniad APA

Fitz-Gibbon, C. T., & Morris, L. L. (1987). How to design a program evaluation (2nd ed.). Sage Publications.

Dyfyniad Arddull Chicago

Fitz-Gibbon, Carol Taylor, and Lynn Lyons Morris. How to Design a Program Evaluation. 2nd ed. Newbury Park, Calif.: Sage Publications, 1987.

Dyfyniad MLA

Fitz-Gibbon, Carol Taylor, and Lynn Lyons Morris. How to Design a Program Evaluation. 2nd ed. Sage Publications, 1987.

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