Schultz, M. (2014). Stephan Kaluza: The disappeared.
Lua i Stíl Chicago (17ú heag.)Schultz, Michael. Stephan Kaluza: The Disappeared. Berlin, 2014.
Lua MLA (8ú heag.)Schultz, Michael. Stephan Kaluza: The Disappeared. 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.