Cita APA (7th ed.)

Lewis, D. G. (1968). Experimental design in educaton. Uni. pr..

Cita Chicago (17th ed.)

Lewis, D. G. Experimental Design in Educaton. London: Uni. pr., 1968.

Cita MLA (9th ed.)

Lewis, D. G. Experimental Design in Educaton. Uni. pr., 1968.