Curwen, J. S. (1913). Mrs. Curwen's pianoforte method, 4th step: A practical course of the elements of music (Curwen ed.). J. Curwen & Sons.
Chicago-Zitierstil (17. Ausg.)Curwen, J. Spencer. Mrs. Curwen's Pianoforte Method, 4th Step: A Practical Course of the Elements of Music. Curwen ed. London: J. Curwen & Sons, 1913.
MLA-Zitierstil (9. Ausg.)Curwen, J. Spencer. Mrs. Curwen's Pianoforte Method, 4th Step: A Practical Course of the Elements of Music. Curwen ed. J. Curwen & Sons, 1913.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.