Gower, W. (1959). Eb or BBb Bass (Tuba). Rubank.
Cita Chicago (17th ed.)Gower, William. Eb or BBb Bass (Tuba). Miami, Fl.: Rubank, 1959.
Cita MLA (8th ed.)Gower, William. Eb or BBb Bass (Tuba). Rubank, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.