Campbell, D. T. (1963). Experimental and quasi-experimental designs for research. Rand McNally College.
Citazione stile Chigago Style (17a edizione)Campbell, Donald T. Experimental and Quasi-experimental Designs for Research. Chicago: Rand McNally College, 1963.
Citatione MLA (9a ed.)Campbell, Donald T. Experimental and Quasi-experimental Designs for Research. Rand McNally College, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.