Campbell, D., Stanley, J. Experimental and Quasi- Experimental Designs for Research. Dallas etc.: Houghton Mifflin Company, 1963 84 p. il. 0-395-30787-2.
Campbell, D., Stanley, J. Experimental and Quasi- Experimental Designs for Research. Dallas etc.: Houghton Mifflin Company, 1963 84 p. il. 0-395-30787-2.
Campbell, D., Stanley, J. (1963) Experimental and Quasi- Experimental Designs for Research, Dallas etc.: Houghton Mifflin Company 84 p. il. 0-395-30787-2.
Campbell, D., & Stanley, J. (1963). Experimental and Quasi- Experimental Designs for Research. Dallas etc.: Houghton Mifflin Company, 84 p. il.
Campbell D, Stanley J. Experimental and Quasi- Experimental Designs for Research. Dallas etc.: Houghton Mifflin Company; 1963. p. 84 p. il. ISBN: 0-395-30787-2.