^ Norris, New Grove , 15:554-555. ^ Norris, New Grove, 2nd ed. , 713. ^ Harrison, Max (2006). Rachmaninoff: Life, Works, Recordings . London : Continuum . ISBN 0-8264-9312-2 . http://books.google.com/?id=HwSvhu1kLikC . ^ Norris, New Grove 2nd ed. , 714-715. ^ Yasser, Joseph (1969). “The Opening Theme of Rachmaninoff’s Third Piano