1. Abbate, M. S., &La Chapelle, N. B. (1984a).Pictures, please! A language supplement. Tucson, AZ: Communication Skill Builders.
2. Abbate, M. S., &La Chapelle, N. B. (1984b).Pictures, please! An articulation supplement. Tucson, AZ: Communication Skill Builders.
3. Alameda, J. R., &Cuetos, F. (1995).Diccionario de frecuencias de las unidades lingüísticas del castellano [Frequency dictionary for lexical items in Castilian Spanish]. Oviedo: Servicio de Publicaciones de la Universidad de Oviedo. Available at http://www.swan.ac.uk/ cals/calsres/vlibrary/jsg99a.htm.
4. Alcock, K. J., & Ngorosho, D. (in press). Grammatical noun class agreement processing in Kiswahili.Language & Speech.
5. Baayen, R. H., Piepenbrock, R., &Gulikers, L. (1995).The CELEX Lexical Database (Release 2) [CD-ROM]. Philadelphia: University of Pennsylvania, Linguistic Data Consortium [Distributor].