Campbell, D. T., & Stanley, J. C. (1963). Experimental and quasi-experimental designs for research. Houghton Mifflin Company.
Cita Chicago Style (17a ed.)Campbell, Donald T., y Julian C. Stanley. Experimental and Quasi-experimental Designs for Research. Dallas: Houghton Mifflin Company, 1963.
Cita MLA (8a ed.)Campbell, Donald T., y Julian C. Stanley. Experimental and Quasi-experimental Designs for Research. Houghton Mifflin Company, 1963.
Precaución: Estas citas no son 100% exactas.