Copland, A. (1939). What to listen for in music. Whittlesey house.
Lua i Stíl Chicago (17ú heag.)Copland, Aaron. What to Listen for in Music. New York, London: Whittlesey house, 1939.
Lua MLA (9ú heag.)Copland, Aaron. What to Listen for in Music. Whittlesey house, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.