Schneider, G. (1985). Undine. Hinstorff.
Lua i Stíl Chicago (17ú heag.)Schneider, Gerhard. Undine. Rostock: Hinstorff, 1985.
Lua MLA (8ú heag.)Schneider, Gerhard. Undine. Hinstorff, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.