Drew, J. (1964). Sigmund Hering Forty Progresive Etudes for Trombone. CARL FISCHER.
Cita Chicago (17th ed.)Drew, John. Sigmund Hering Forty Progresive Etudes for Trombone. CARL FISCHER, 1964.
Cita MLA (9th ed.)Drew, John. Sigmund Hering Forty Progresive Etudes for Trombone. CARL FISCHER, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.