Cook, T. D. (1979). Quasi-experimentation design and analysis issues for field settings. Rand McNally College Publishing Company.
Cita Chicago (17th ed.)Cook, Thomas D. Quasi-experimentation Design and Analysis Issues for Field Settings. Chicago: Rand McNally College Publishing Company, 1979.
Cita MLA (9th ed.)Cook, Thomas D. Quasi-experimentation Design and Analysis Issues for Field Settings. Rand McNally College Publishing Company, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.