Alkin, M. C. (2004). Evaluation roots: Tracing theorists' views and influences. Sage Publications.
芝加哥风格引文Alkin, Marvin C. Evaluation Roots: Tracing Theorists' Views and Influences. Thousand Oaks, Calif.: Sage Publications, 2004.
MLA引文Alkin, Marvin C. Evaluation Roots: Tracing Theorists' Views and Influences. Sage Publications, 2004.
警告：这些引文格式不一定是100％准确.