Grawe, C. (2000). Fontane-Handbuch. Kröner.
Lua i Stíl Chicago (17ú heag.)Grawe, Christian. Fontane-Handbuch. Stuttgart: Kröner, 2000.
Lua MLA (8ú heag.)Grawe, Christian. Fontane-Handbuch. Kröner, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.