APA-referens (7:e uppl.)

Royse, D., Thyer, B. A., & Padgett, D. K. (2010). Program evaluation: An introduction (5th ed.). Wadsworth Cengage Learning.

Chicago-referens (17:e uppl.)

Royse, David, Bruce A. Thyer, och Deborah K. Padgett. Program Evaluation: An Introduction. 5th ed. Belmont, Calif: Wadsworth Cengage Learning, 2010.

MLA-referens (9:e uppl.)

Royse, David, et al. Program Evaluation: An Introduction. 5th ed. Wadsworth Cengage Learning, 2010.