Germann, M., Fleck, R., & Ruff, T. (2014). Thomas Ruff - Lichten: [exhibition] / S.M.A. Ghent. Ed. Martin Germann. Texts Robert Fleck.]. Roma Publ..
Lua i Stíl Chicago (17ú heag.)Germann, Martin, Robert Fleck, agus Thomas Ruff. Thomas Ruff - Lichten: [exhibition] / S.M.A. Ghent. Ed. Martin Germann. Texts Robert Fleck.]. Amsterdam: Roma Publ., 2014.
Lua MLA (8ú heag.)Germann, Martin, et al. Thomas Ruff - Lichten: [exhibition] / S.M.A. Ghent. Ed. Martin Germann. Texts Robert Fleck.]. Roma Publ., 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.