Lehmann, U. (2006). Abstract art now: Floating forms. Kerber.
Lua i Stíl Chicago (17ú heag.)Lehmann, Ulrike. Abstract Art Now: Floating Forms. Bielefeld: Kerber, 2006.
Lua MLA (8ú heag.)Lehmann, Ulrike. Abstract Art Now: Floating Forms. Kerber, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.