Rossi, P. H., & Freeman, H. E. (1985). Evaluation: A systematic approach (3rd ed.). Sage.
Chicago Style (17th ed.) CitationRossi, Peter H., and Howard E. Freeman. Evaluation: A Systematic Approach. 3rd ed. Beverly Hills: Sage, 1985.
ציטוט MLARossi, Peter H., and Howard E. Freeman. Evaluation: A Systematic Approach. 3rd ed. Sage, 1985.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.