Posavac, E. J., & Carey , R. G. (1992). Program evaluation: Methods and case studies. Prentice Hall.
Chicago Style (17th ed.) CitationPosavac, Emil J., and Raymond G. Carey. Program Evaluation: Methods and Case Studies. Englewood Cliffs, N.J.: Prentice Hall, 1992.
ציטוט MLAPosavac, Emil J., and Raymond G. Carey. Program Evaluation: Methods and Case Studies. Prentice Hall, 1992.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.