APA استشهاد

Cook,Thomas D, & Reichardt,Charles S. (1979). Qualitative and quantitative methods in evaluation research. Sage.

استشهاد بنمط شيكاغو

Cook,Thomas D, و Reichardt,Charles S. Qualitative and Quantitative Methods in Evaluation Research. London: Sage, 1979.

MLA استشهاد

Cook,Thomas D, و Reichardt,Charles S. Qualitative and Quantitative Methods in Evaluation Research. Sage, 1979.