Gringmuth, W. (1964). Spreewald. Brockhaus.
Lua i Stíl Chicago (17ú heag.)Gringmuth, Werner. Spreewald. Leipzig: Brockhaus, 1964.
Lua MLA (8ú heag.)Gringmuth, Werner. Spreewald. Brockhaus, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.