Cita APA (7th ed.)

Solmon, L. C., & Alkin, M. C. (1983). The costs of evaluation. Sage Pub.

Cita Chicago (17th ed.)

Solmon, Lewis C., i Marvin C. Alkin. The Costs of Evaluation. Beverly Hills, CA: Sage Pub, 1983.

Cita MLA (9th ed.)

Solmon, Lewis C., i Marvin C. Alkin. The Costs of Evaluation. Sage Pub, 1983.