American Psychological Association, Committee on Test Standards, Standards for Educational and Psychological Tests and Manuals. Washington, D. C.: American Psychological Association, 1966.
2.
Delp, H. A.Review of the Wechsler Intelligence Scale for Children. In O. K. Buros (Ed.) The Fourth Mental Measurements Yearbook. Highland Park, N. J.: Gryphon, 1953 , pp. 479-480.
3.
Edwards, A. L.Experimental Design in Psychological Research. (Rev. ed.) New York, N. Y.: Holt, Rinehart & Winston, 1963.
4.
Schulman, J. L., Kaspar, J. C., and Throne, Frances M.Brain Damage and Behavior. Springfield, Ill.: Charles C Thomas, 1965.
5.
Wechsler, D.Wechsler Intelligence Scale for Children, Manual. New York: The Psychological Corp., 1949.