Oorspronklik: Chopin Variations Piano Sona. Chopin Variations Piano Sona by Zlata Chochieva. Piano sheet music. By Sergei Rachmaninoff. 10.
Vertaling: Piano bladmusiek. Deur Sergei Rachmaninoff. 1873-1943. Luister CD. Gepubliseer deur Naxos. NX.PCL0047. ISBN 5065001863516. Vrylating datum.