Pawson, R., & Metzler, K. (2013). The science of evaluation: A realist manifesto. SAGE.
芝加哥风格引文Pawson, Ray, 与 Katie Metzler. The Science of Evaluation: A Realist Manifesto. Los Angeles: SAGE, 2013.
MLA引文Pawson, Ray, 与 Katie Metzler. The Science of Evaluation: A Realist Manifesto. SAGE, 2013.
警告：这些引文格式不一定是100％准确.