APA aipamena

Rossi, P. H., & Freeman, H. E. (1989). Evaluation: A systematic approach (4th ed.). Sage Publications.

Chicago Style aipamena

Rossi, Peter H., and Howard E. Freeman. Evaluation: A Systematic Approach. 4th ed. Newbury Park, Calif: Sage Publications, 1989.

MLA aipamena

Rossi, Peter H., and Howard E. Freeman. Evaluation: A Systematic Approach. 4th ed. Sage Publications, 1989.