William R. Shadish, T. D. C. (2002). Experimental and quasi-experimental designs for generalized causal inference. Wadsworth.
Chicago Style CitationWilliam R. Shadish, Thomas D. Cook. Experimental and Quasi-experimental Designs for Generalized Causal Inference. Wadsworth, 2002.
MLA CitationWilliam R. Shadish, Thomas D. Cook. Experimental and Quasi-experimental Designs for Generalized Causal Inference. Wadsworth, 2002.
Warning: These citations may not always be 100% accurate.