Cita APA (7th ed.)

Owen, J. M. (1999). Program evaluation: Forms and approaches (International ed.). Sage.

Cita Chicago (17th ed.)

Owen, John M. Program Evaluation: Forms and Approaches. International ed. London: Sage, 1999.

Cita MLA (9th ed.)

Owen, John M. Program Evaluation: Forms and Approaches. International ed. Sage, 1999.