Nind, M., & Hewett, D. (2005). Access to communication: Developing the basics of communication with people with severe learning difficulties through intensive interaction (2nd ed.). David Fulton Publishers.
Chicago-referens (17:e uppl.)Nind, Melanie, och Dave Hewett. Access to Communication: Developing the Basics of Communication with People with Severe Learning Difficulties Through Intensive Interaction. 2nd ed. London: David Fulton Publishers, 2005.
MLA-referens (9:e uppl.)Nind, Melanie, och Dave Hewett. Access to Communication: Developing the Basics of Communication with People with Severe Learning Difficulties Through Intensive Interaction. 2nd ed. David Fulton Publishers, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.