Alkin, M. C. (2004). Evaluation roots: Tracing theorists' views and influences. Sage.
Chicago Style (17. basım) AtıfAlkin, Marvin C. Evaluation Roots: Tracing Theorists' Views and Influences. Thousand Oaks, Calif: Sage, 2004.
MLA (9th ed.) AtıfAlkin, Marvin C. Evaluation Roots: Tracing Theorists' Views and Influences. Sage, 2004.
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