Não informado. (2003). Attention and Performance. Massachusetts Institute of Technology.
Lua i Stíl Chicago (17ú heag.)Não informado. Attention and Performance. Cambridge, Mass: Massachusetts Institute of Technology, 2003.
Lua MLA (8ú heag.)Não informado. Attention and Performance. Massachusetts Institute of Technology, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.