Cita APA (7th ed.)

Cook, T. D., & Campbell, D. T. (1979). Quasi-experimentation: Design & analysis issues for field settings. Rand McNally College Pub.

Cita Chicago (17th ed.)

Cook, Thomas D., i Donald Thomas Campbell. Quasi-experimentation: Design & Analysis Issues for Field Settings. Chicago: Rand McNally College Pub, 1979.

Cita MLA (9th ed.)

Cook, Thomas D., i Donald Thomas Campbell. Quasi-experimentation: Design & Analysis Issues for Field Settings. Rand McNally College Pub, 1979.