APA (7th ed.) Zitazioa

Rossi, P. H., Lipsey , M. W., & Freeman , H. E. (2004). Evaluation: A systematic approach (7th ed.). Sage.

Chicago Style (17th ed.) Zitazioa

Rossi, Prter H., Mark W. Lipsey , eta Howard E. Freeman. Evaluation: A Systematic Approach. 7th ed. New Delhi: Sage, 2004.

MLA (9th ed.) Zitazioa

Rossi, Prter H., et al. Evaluation: A Systematic Approach. 7th ed. Sage, 2004.