Citazione Stile APA (7a Edizione)

Lewis, D. G. (1968). Experimental design in education. University of London P..

Citazione stile Chigago Style (17a edizione)

Lewis, D. G. Experimental Design in Education. London: University of London P., 1968.

Citatione MLA (8a ed.)

Lewis, D. G. Experimental Design in Education. University of London P., 1968.