Janda, A., & Heining, W. (2004). Gerhard Altenbourg. Wienand.
Lua i Stíl Chicago (17ú heag.)Janda, Annegret, agus Willi Heining. Gerhard Altenbourg. Köln: Wienand, 2004.
Lua MLA (8ú heag.)Janda, Annegret, agus Willi Heining. Gerhard Altenbourg. Wienand, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.