Knight, D., & Rizzuto, T. (1993). Relations for children in grades 2, 3, and 4 between balance skills and academic achievement. Perceptual and motor skills, 76(3; 2), S. 1296-1298.

Knight, Diane, and Tom Rizzuto. "Relations for Children in Grades 2, 3, and 4 between Balance Skills and Academic Achievement." Perceptual and Motor Skills 76, no. 3; 2 (1993): S. 1296-1298.

Knight, Diane, and Tom Rizzuto. "Relations for Children in Grades 2, 3, and 4 between Balance Skills and Academic Achievement." Perceptual and Motor Skills 76.3; 2 (1993): S. 1296-1298.