Rugo, J. (1999). Bernd Schwarting.
Lua i Stíl Chicago (17ú heag.)Rugo, Jacqueline. Bernd Schwarting. Berlin, 1999.
Lua MLA (8ú heag.)Rugo, Jacqueline. Bernd Schwarting. 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.