Light J., McNaughton D. (2008). "Making a difference: A celebration of the 25th anniversary of The International Society for Augmentative and Alternation Communication". Augmentative and Alternative Communication. 24 (3): 175–193. doi:10.1080/08990220802384874. S2CID144060310.
Light J., McNaughton D. (2008). "Making a difference: A celebration of the 25th anniversary of The International Society for Augmentative and Alternation Communication". Augmentative and Alternative Communication. 24 (3): 175–193. doi:10.1080/08990220802384874. S2CID144060310.