Sundberg, M. L. (2007a). Verbal behavior. In J. O. Cooper, T. E. Heron, & W. L. Heward, Applied behavior analysis (2nd ed.) (pp. 526-547). Upper Saddle River, NJ: Merrill/Prentice Hall.
Mark L. Sundberg, Ph.D., BCBA-D
Licensed psychologist with over 40 years of experience