Anastasi, A. (1988). Psychological testing (6th ed.). New York: Macmillan.
2.
Bracken, B. A. (1987). Limitations of preschool instruments and standards for minimum levels of technical adequacy. Journal of Psychoeducational Assessment, 4, 313-326.
3.
Gallagher, J. J., & Gallagher, S. A. (1994). Teaching the gifted child (4th ed.). Needham Heights, MA: Allyn and Bacon.
4.
Salvia, J., & Ysseldyke, J. E. (1981). Assessment in special remedial education. Boston: Houghton Mifflin.
5.
Standards for educational and psychological testing. (1985). Washington, DC: American Psychological Association.