Thoms D Cook. (1979). Quasi-experimentation: Design and analysis issues for field settings. Boston, Massachusetts: Houghton Mifflin.
Chicago ZitierstilThoms D Cook. Quasi-experimentation: Design and Analysis Issues for Field Settings. Boston, Massachusetts: Houghton Mifflin, 1979.
MLA ZitierstilThoms D Cook. Quasi-experimentation: Design and Analysis Issues for Field Settings. Boston, Massachusetts: Houghton Mifflin, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.