Cook, T. D., & Campbell, D. T. (1979). Quasi-experimentation: Design & analysis issues for field settings. Rand McNally College Publishing.
Цитирование в стиле Чикаго (17-е изд.)Cook, Thomas D., и Donald Thomas Campbell. Quasi-experimentation: Design & Analysis Issues for Field Settings. Chicago: Rand McNally College Publishing, 1979.
Цитирование MLA (9-е изд.)Cook, Thomas D., и Donald Thomas Campbell. Quasi-experimentation: Design & Analysis Issues for Field Settings. Rand McNally College Publishing, 1979.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.