Clack, M. (1986). Carols for Brass. Boosey & Hawkes.
Lua i Stíl Chicago (17ú heag.)Clack, Michael. Carols for Brass. London [u.a.]: Boosey & Hawkes, 1986.
Lua MLA (8ú heag.)Clack, Michael. Carols for Brass. Boosey & Hawkes, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.