FERRIS, J. (1985). Music: The art of listening/Jean Ferris. WM.C. Brown Publishers.
Lua i Stíl Chicago (17ú heag.)FERRIS, Jean. Music: The Art of Listening/Jean Ferris. WM.C. Brown Publishers, 1985.
Lua MLA (8ú heag.)FERRIS, Jean. Music: The Art of Listening/Jean Ferris. WM.C. Brown Publishers, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.