APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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