Thoms D Cook. (1979). Quasi-experimentation: Design and analysis issues for field settings. Boston, Massachusetts: Houghton Mifflin.
Citación estilo ChicagoThoms D Cook. Quasi-experimentation: Design and Analysis Issues for Field Settings. Boston, Massachusetts: Houghton Mifflin, 1979.
Cita MLAThoms D Cook. Quasi-experimentation: Design and Analysis Issues for Field Settings. Boston, Massachusetts: Houghton Mifflin, 1979.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.