Columbus, N. (2007). Previews: Zürich ; Kai Althoff ; Kunsthalle Zürich ; November 10, 2007 - January 13, 2008. Artforum.
Lua i Stíl Chicago (17ú heag.)Columbus, Nikki. "Previews: Zürich ; Kai Althoff ; Kunsthalle Zürich ; November 10, 2007 - January 13, 2008." Artforum 2007.
Lua MLA (8ú heag.)Columbus, Nikki. "Previews: Zürich ; Kai Althoff ; Kunsthalle Zürich ; November 10, 2007 - January 13, 2008." Artforum, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.