Szczepanek,Gudrun. (2012). Breakthrough: Philipp Fürhofer.
Lua i Stíl Chicago (17ú heag.)Szczepanek,Gudrun. Breakthrough: Philipp Fürhofer. München, 2012.
Lua MLA (8ú heag.)Szczepanek,Gudrun. Breakthrough: Philipp Fürhofer. 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.