APA stil citiranja

Cook, T. D., & Campbell, D. T. (1979). Quasi-experimentation: Quasi-experimentation : design & analysis issues for field settings. Boston: Houghton Mifflin Company.

Chicago stil citiranja

Cook, Thomas D., and Donald T. Campbell. Quasi-experimentation: Quasi-experimentation : design & analysis issues for field settings. Boston: Houghton Mifflin Company, 1979.

MLA stil citiranja

Cook, Thomas D., and Donald T. Campbell. Quasi-experimentation: Quasi-experimentation : design & analysis issues for field settings. Boston: Houghton Mifflin Company, 1979.