Zimmermann, F. (1971). Trios and quartets for double basses: Bd. 1 - 4 / compiled and ed. by F. Zimmermann (Spielpartitur.). Univ. of Miami Music Publ..
Lua i Stíl Chicago (17ú heag.)Zimmermann, Frederick. Trios and Quartets for Double Basses: Bd. 1 - 4 / Compiled and Ed. by F. Zimmermann. Spielpartitur. Ft. Lauderdale, Fl. [u.a.]: Univ. of Miami Music Publ., 1971.
Lua MLA (8ú heag.)Zimmermann, Frederick. Trios and Quartets for Double Basses: Bd. 1 - 4 / Compiled and Ed. by F. Zimmermann. Spielpartitur. Univ. of Miami Music Publ., 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.