Willcutt, E. G., Petrill, S. A., Wu, S., Boada, R., DeFries, J. C., Olson, R. K., & Pennington, B. F. (2013). Comorbidity between reading disability and math disability: Concurrent psychopathology, functional impairment, and neuropsychological functioning.

Willcutt, Erik G., Stephen A. Petrill, Sarah Wu, Richard Boada, John C. DeFries, Richard K. Olson, và Bruce F. Pennington. Comorbidity between Reading Disability and Math Disability: Concurrent Psychopathology, Functional Impairment, and Neuropsychological Functioning. 2013.

Willcutt, Erik G., et al. Comorbidity between Reading Disability and Math Disability: Concurrent Psychopathology, Functional Impairment, and Neuropsychological Functioning. 2013.