Frei, G. (2003). Willem de Kooning: Art 34 Basel. Thomas Ammann Fine Art.
Lua i Stíl Chicago (17ú heag.)Frei, Georg. Willem De Kooning: Art 34 Basel. Zurich: Thomas Ammann Fine Art, 2003.
Lua MLA (8ú heag.)Frei, Georg. Willem De Kooning: Art 34 Basel. Thomas Ammann Fine Art, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.