Haan, J. d. (1999). The Universal Band Soloist: Grade 2-3 / Jacob de Haan (Bb trumpet, cornet - Bb flugelhorn.). De Haske.
Cita Chicago (17th ed.)Haan, Jacob de. The Universal Band Soloist: Grade 2-3 / Jacob De Haan. Bb trumpet, cornet - Bb flugelhorn. Heerenveen, Holland: De Haske, 1999.
Cita MLA (8th ed.)Haan, Jacob de. The Universal Band Soloist: Grade 2-3 / Jacob De Haan. Bb trumpet, cornet - Bb flugelhorn. De Haske, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.