Schmitt, P. (2001). Filz. Kunsthandwerk & Design.
Lua i Stíl Chicago (17ú heag.)Schmitt, Peter. "Filz." Kunsthandwerk & Design 2001.
Lua MLA (8ú heag.)Schmitt, Peter. "Filz." Kunsthandwerk & Design, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.