Liebmann, D. (1985). The Grey Convoy: Saxophone Quartet: Soprano - Alto - Tenor - Baritone. advance music.
Chicago-viite (17. p.)Liebmann, David. The Grey Convoy: Saxophone Quartet: Soprano - Alto - Tenor - Baritone. Rottenburg a/N: advance music, 1985.
MLA-viite (8. p.)Liebmann, David. The Grey Convoy: Saxophone Quartet: Soprano - Alto - Tenor - Baritone. advance music, 1985.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.