Liebmann, D. (1985). The Grey Convoy: Saxophone Quartet: Soprano - Alto - Tenor - Baritone. advance music.
Lua i Stíl Chicago (17ú heag.)Liebmann, David. The Grey Convoy: Saxophone Quartet: Soprano - Alto - Tenor - Baritone. Rottenburg a/N: advance music, 1985.
Lua MLA (8ú heag.)Liebmann, David. The Grey Convoy: Saxophone Quartet: Soprano - Alto - Tenor - Baritone. advance music, 1985.
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