Não informado. (2003). Trace. American Institute of Graphic Design.
Lua i Stíl Chicago (17ú heag.)Não informado. Trace. New York: American Institute of Graphic Design, 2003.
Lua MLA (8ú heag.)Não informado. Trace. American Institute of Graphic Design, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.