Cita APA (7th ed.)

Stecher, B. M., Davis, W. A., & Morris, L. L. (1987). How to focus an evaluation. Sage Publications.

Cita Chicago (17th ed.)

Stecher, Brian M., W. Alan Davis, i Lynn Lyons Morris. How to Focus an Evaluation. Newbury Park, Calif: Sage Publications, 1987.

Cita MLA (9th ed.)

Stecher, Brian M., et al. How to Focus an Evaluation. Sage Publications, 1987.