Não informado. (2003). Attention and Performance. Massachusetts Institute of Technology.
Chicago-referens (17:e uppl.)Não informado. Attention and Performance. Cambridge, Mass: Massachusetts Institute of Technology, 2003.
MLA-referens (8:e uppl.)Não informado. Attention and Performance. Massachusetts Institute of Technology, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.