Burnam, E. M. (1964). A dozen a day: Technical exercises for the piano to be done each day before practicing. Willis Music.
Lua i Stíl Chicago (17ú heag.)Burnam, Edna Mae. A Dozen a Day: Technical Exercises for the Piano to Be Done Each Day Before Practicing. Cincinnati, Ohio: Willis Music, 1964.
Lua MLA (9ú heag.)Burnam, Edna Mae. A Dozen a Day: Technical Exercises for the Piano to Be Done Each Day Before Practicing. Willis Music, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.