1. American Psychiatric Association (1994). Diagnostic and Statistical Manual of Mental Disorders Manual of Mental Disorders, DSM-IV. Washington, DC, 4th edition.
2. Anderson, R. C. and Freebody, P. (1981). Vocabulary Knowledge. In Guthrie, J. T., editor, Comprehension and Teaching: Research Perspectives, pages 71–117. Newark, DE: International Reading Association.
3. Baer, D. M., Wolf, M. M., and Risley, T. R. (1968). Some Current Dimensions of Applied Behavior Analysis. Journal of Applied Behavior Analysis, 1:91–97.
4. Barker, L. J. (2003). Computer-Assisted Vocabulary Acquisition: The CSLU Vocabulary Tutor in Oral-Deaf Education. Journal of Deaf Studies and Deaf Education, 8:187–198.
5. Berninger, V. W. and Richards, T. L. (2002). Brain Literacy for Educators and Psychologists Educators and Psychologists. San Diego: Academic Press.