Schwertberger, G. (1979). Guitar Sounds. Doblinger.
Lua i Stíl Chicago (17ú heag.)Schwertberger, Gerald. Guitar Sounds. Wien [u.a.]: Doblinger, 1979.
Lua MLA (8ú heag.)Schwertberger, Gerald. Guitar Sounds. Doblinger, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.