Burnam, E. M. (1964). A dozen a day: Technical exercises for the piano to be done each day before practicing. Willis Music.
Chicago-referens (17:e uppl.)Burnam, Edna Mae. A Dozen a Day: Technical Exercises for the Piano to Be Done Each Day Before Practicing. Cincinnati, Ohio: Willis Music, 1964.
MLA-referens (9:e uppl.)Burnam, Edna Mae. A Dozen a Day: Technical Exercises for the Piano to Be Done Each Day Before Practicing. Willis Music, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.