ERCIM International Workshop on User Interfaces for All, Stephanidis, C., & Pieper, M. (2007). Universal access in ambient intelligence environments: 9th ERCIM Workshop on User Interfaces for All, Konigswinter, Germany, September 27-28, 2006 : revised papers. Berlin : Springer.
Chicago-referens (17:e uppl.)ERCIM International Workshop on User Interfaces for All, Constantine Stephanidis, och Michael Pieper. Universal Access in Ambient Intelligence Environments: 9th ERCIM Workshop on User Interfaces for All, Konigswinter, Germany, September 27-28, 2006 : Revised Papers. Berlin : Springer, 2007.
MLA-referens (9:e uppl.)ERCIM International Workshop on User Interfaces for All, et al. Universal Access in Ambient Intelligence Environments: 9th ERCIM Workshop on User Interfaces for All, Konigswinter, Germany, September 27-28, 2006 : Revised Papers. Berlin : Springer, 2007.