Wessels, B. (1996). System characteristics matter: Empirical evidence from ten representation studies.
Chicago-referens (17:e uppl.)Wessels, Bernhard. System Characteristics Matter: Empirical Evidence from Ten Representation Studies. Berlin, 1996.
MLA-referens (8:e uppl.)Wessels, Bernhard. System Characteristics Matter: Empirical Evidence from Ten Representation Studies. 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.