APA aipamena

Pawson, R., & Metzler, K. (2013). The science of evaluation: A realist manifesto. SAGE.

Chicago Style aipamena

Pawson, Ray, and Katie Metzler. The Science of Evaluation: A Realist Manifesto. Los Angeles: SAGE, 2013.

MLA aipamena

Pawson, Ray, and Katie Metzler. The Science of Evaluation: A Realist Manifesto. SAGE, 2013.