Zimmermann, F. (1971). Trios and quartets for double basses: Bd. 1 - 4 / compiled and ed. by F. Zimmermann (Spielpartitur.). Univ. of Miami Music Publ..
Chicago-viite (17. p.)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.
MLA-viite (8. p.)Zimmermann, Frederick. Trios and Quartets for Double Basses: Bd. 1 - 4 / Compiled and Ed. by F. Zimmermann. Spielpartitur. Univ. of Miami Music Publ., 1971.
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