1. [단행본] - D. Beukelman / 2013 / Augmentative and alternative communication. management of severe communication disorders in children and adults / Paul H. Brooks Publishing Co 2. [단행본] - 김삼섭 / 1996 / 중증장애인의 교육과 재활 : 실제와 전망 / 이화여자대학교 출판부 3. [학술지(정기간행물)] - M. E. D'Agostino / 2008 / Communication supports by job coaches of people with developmental disabilities / J. of Developmental & Developmental Disabilities 20 : 551 ~ 560 4. [학술지(정기간행물)] - ASHA / 1992 / “Communication bill of rights,” National Joint Committee for the Communication Needs of Persons with Severe Disabilities / J. of Guidelines for meeting the communication needs of persons with severe disabilities 34 (7) : 2 ~ 3 5. [단행본] - E. Siegal-Causey / 2000 / Instruction of students with Severe Disabilities / Prentice Hall