Campbell, D. T., Gage, N. L., & Stanley, J. C. (1966). Experimental and quasi-experimental designs for research. RAND McNally College.
Citace podle Chicago (17th ed.)Campbell, Donald Thomas, N. L. Gage, a Julian C. Stanley. Experimental and Quasi-experimental Designs for Research. Chicago: RAND McNally College, 1966.
Citace podle MLA (9th ed.)Campbell, Donald Thomas, et al. Experimental and Quasi-experimental Designs for Research. RAND McNally College, 1966.
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