Birtwistle, H. (2008). The message: For E♭ clarinet, trumpet in C and military drum (Full score.). Boosey & Hawkes Music Publishers Ltd.
Chicago-Zitierstil (17. Ausg.)Birtwistle, Harrison. The Message: For E♭ Clarinet, Trumpet in C and Military Drum. Full score. London: Boosey & Hawkes Music Publishers Ltd, 2008.
MLA-Zitierstil (9. Ausg.)Birtwistle, Harrison. The Message: For E♭ Clarinet, Trumpet in C and Military Drum. Full score. Boosey & Hawkes Music Publishers Ltd, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.