Bell, K. (2007). Judith Hopf: Opting out, collaboration and the inappropriate behaviour of bodies. frieze.
Lua i Stíl Chicago (17ú heag.)Bell, Kirsty. "Judith Hopf: Opting Out, Collaboration and the Inappropriate Behaviour of Bodies." Frieze 2007.
Lua MLA (8ú heag.)Bell, Kirsty. "Judith Hopf: Opting Out, Collaboration and the Inappropriate Behaviour of Bodies." Frieze, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.