Ehistler, H. S., & Hummel, H. A. j. a. (1942). First steps in band playing, a class method for all instruments. Rubank.
Cita Chicago (17th ed.)Ehistler, Harvey S., i Herman A. joint auth Hummel. First Steps in Band Playing, a Class Method for All Instruments. Chicago: Rubank, 1942.
Cita MLA (9th ed.)Ehistler, Harvey S., i Herman A. joint auth Hummel. First Steps in Band Playing, a Class Method for All Instruments. Rubank, 1942.
Atenció: Aquestes cites poden no estar 100% correctes.