Izvornik: Shostakovich. Viola sheet music. Shostakovich. By Dmitri Shostakovich. String Quartets, Nos. 3, 4, 7. 1906-1975.
Prijevod: Šostakovič. Viola note. Violončelo note. Violina note. Šostakovič. String Quartets, Nos. 3, 4, 7 by Meta4. Dmitri Šostakoviča.