Cita APA (7a ed.)

Worthen, B. R., Sanders, J. R., & Fitzpatrick, J. L. (1997). Program evaluation: Alternative approaches and practical guidelines (2a. ed.). Longman.

Cita Chicago Style (17a ed.)

Worthen, Blaine R., James R. Sanders, y Jody L. Fitzpatrick. Program Evaluation: Alternative Approaches and Practical Guidelines. 2a. ed. New York: Longman, 1997.

Cita MLA (9a ed.)

Worthen, Blaine R., et al. Program Evaluation: Alternative Approaches and Practical Guidelines. 2a. ed. Longman, 1997.