Burnam, E. M. (1964). A dozen a day: Technical exercises for the piano to be done each day before practicing. Willis Music.
Cita Chicago (17th ed.)Burnam, Edna Mae. A Dozen a Day: Technical Exercises for the Piano to Be Done Each Day Before Practicing. Cincinnati, Ohio: Willis Music, 1964.
Cita MLA (9th ed.)Burnam, Edna Mae. A Dozen a Day: Technical Exercises for the Piano to Be Done Each Day Before Practicing. Willis Music, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.