Kirk, R. E. (1982). Experimental design: Procedures for the behavioral sciences (2nd ed.). Brooks/Cole.
Cita Chicago (17th ed.)Kirk, Roger E. Experimental Design: Procedures for the Behavioral Sciences. 2nd ed. Belmont, Calif: Brooks/Cole, 1982.
Cita MLA (9th ed.)Kirk, Roger E. Experimental Design: Procedures for the Behavioral Sciences. 2nd ed. Brooks/Cole, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.