Erlandson, R. F. (2008). Universal and accessible design for products, services, and processes. CRC Press/Taylor & Francis Group.
Chicago-referens (17:e uppl.)Erlandson, Robert F. Universal and Accessible Design for Products, Services, and Processes. Boca Raton, Fla: CRC Press/Taylor & Francis Group, 2008.
MLA-referens (8:e uppl.)Erlandson, Robert F. Universal and Accessible Design for Products, Services, and Processes. CRC Press/Taylor & Francis Group, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.