Horton, P. (1978). Toccata for a Wild Old Lady: Peter Horton.
Lua i Stíl Chicago (17ú heag.)Horton, Peter. Toccata for a Wild Old Lady: Peter Horton. 1978.
Lua MLA (8ú heag.)Horton, Peter. Toccata for a Wild Old Lady: Peter Horton. 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.