APA aipamena

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

Chicago Style aipamena

Alkin, Marvin C., and Lewis C. Solmon. The Costs of Evaluation. Sage Publ, 1983.

MLA aipamena

Alkin, Marvin C., and Lewis C. Solmon. The Costs of Evaluation. Sage Publ, 1983.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.