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