Beethoven, L. v., & Brendel, A. (1968). Piano pieces: Klavierstucke. Wiener Urtext Edition.
Lua i Stíl Chicago (17ú heag.)Beethoven, Ludwig van, agus Alfred Brendel. Piano Pieces: Klavierstucke. Wien: Wiener Urtext Edition, 1968.
Lua MLA (9ú heag.)Beethoven, Ludwig van, agus Alfred Brendel. Piano Pieces: Klavierstucke. Wiener Urtext Edition, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.