Παραπομπή σε μορφή APA (7η εκδ.)

Evaluation Research Society, Cook, T. D., & Reichardt, C. S. (1979). Qualitative and quantitative methods in evaluation research. Sage Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Evaluation Research Society, Thomas D. Cook, και Charles S. Reichardt. Qualitative and Quantitative Methods in Evaluation Research. Beverly Hills, Calif: Sage Publications, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

Evaluation Research Society, et al. Qualitative and Quantitative Methods in Evaluation Research. Sage Publications, 1979.