Alkin, M. C. (2004). Evaluation roots: Tracing theorists' views and influences. Sage.
Čikaški stil citiranja (17. izdanje)Alkin, Marvin C. Evaluation Roots: Tracing Theorists' Views and Influences. Thousand Oaks, Calif: Sage, 2004.
MLA način citiranja (9. izdanje)Alkin, Marvin C. Evaluation Roots: Tracing Theorists' Views and Influences. Sage, 2004.
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