Caskel, C. (2005). Snare Drum. Step by Step. Leu-Verl..
Lua i Stíl Chicago (17ú heag.)Caskel, Christoph. Snare Drum. Step by Step. Bergisch-Gladbach: Leu-Verl., 2005.
Lua MLA (8ú heag.)Caskel, Christoph. Snare Drum. Step by Step. Leu-Verl., 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.