Obrist, H. Interview: Jeff Koons, Rem Koolhaas, Hans Ulrich Obrist. Jeff Koons : Retrospektiv.
Lua i Stíl Chicago (17ú heag.)Obrist, Hans-Ulrich. "Interview: Jeff Koons, Rem Koolhaas, Hans Ulrich Obrist." Jeff Koons : Retrospektiv .
Lua MLA (8ú heag.)Obrist, Hans-Ulrich. "Interview: Jeff Koons, Rem Koolhaas, Hans Ulrich Obrist." Jeff Koons : Retrospektiv, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.