Piston, W., & De Voto, M. (1978). Harmony (4th ed. rev. and expanded.). Norton.
Lua i Stíl Chicago (17ú heag.)Piston, Walter, agus Mark De Voto. Harmony. 4th ed. rev. and expanded. New York: Norton, 1978.
Lua MLA (9ú heag.)Piston, Walter, agus Mark De Voto. Harmony. 4th ed. rev. and expanded. Norton, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.