Stein, D. (1993). Perfect Drumming. Bund-Verl..
Lua i Stíl Chicago (17ú heag.)Stein, Diethard. Perfect Drumming. [Köln]: Bund-Verl., 1993.
Lua MLA (8ú heag.)Stein, Diethard. Perfect Drumming. Bund-Verl., 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.