APA (7th ed.) Zitazioa

Rossi, P. H., & Freeman , H. . E. (1985). Evaluation: A systematic approach (3rd ed.). Sage.

Chicago Style (17th ed.) Zitazioa

Rossi, Peter H., eta Howard E. Freeman. Evaluation: A Systematic Approach. 3rd ed. London; New Delhi: Sage, 1985.

MLA (9th ed.) Zitazioa

Rossi, Peter H., eta Howard E. Freeman. Evaluation: A Systematic Approach. 3rd ed. Sage, 1985.