Benward, B. (1973). Sightsinging complete (2nd ed.). Brown.
Lua i Stíl Chicago (17ú heag.)Benward, Bruce. Sightsinging Complete. 2nd ed. Dubuque: Brown, 1973.
Lua MLA (9ú heag.)Benward, Bruce. Sightsinging Complete. 2nd ed. Brown, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.