Niecks, F. Frederick Chopin, as a Man and Musician — Volume 1.
Chicago-viite (17. p.)Niecks, Frederick. Frederick Chopin, as a Man and Musician — Volume 1.
MLA-viite (9. p.)Niecks, Frederick. Frederick Chopin, as a Man and Musician — Volume 1.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.