Friedrich, L. K., & Stein, A. H. (1973). Aggressive and prosocial television programs and the natural behavior of preschool children. [Published by the University of Chicago Press for the Society for Research in Child Development].

Friedrich, Lynette Kohn, and Aletha Huston Stein. Aggressive and Prosocial Television Programs and the Natural Behavior of Preschool Children. [Chicago]: [Published by the University of Chicago Press for the Society for Research in Child Development], 1973.

Friedrich, Lynette Kohn, and Aletha Huston Stein. Aggressive and Prosocial Television Programs and the Natural Behavior of Preschool Children. [Published by the University of Chicago Press for the Society for Research in Child Development], 1973.