Van Beringen, R. (2008). Bel Canto for Trombone and Piano: Performed by Ian Bousfield principal trombone, Vienna Philharmonic. De Haske Publications BV.
Cita Chicago (17th ed.)Van Beringen, Robert. Bel Canto for Trombone and Piano: Performed by Ian Bousfield Principal Trombone, Vienna Philharmonic. Heerenveen, Holland: De Haske Publications BV, 2008.
Cita MLA (9th ed.)Van Beringen, Robert. Bel Canto for Trombone and Piano: Performed by Ian Bousfield Principal Trombone, Vienna Philharmonic. De Haske Publications BV, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.