Tham khảo Công năng Diatonic

  1. D'Indy (1903). Cited in Nattiez (1990).
  2. Gjerdingen (1990), p.xiii-xiv.
  3. Dahlhaus, Carl (1990). "A Guide to the Terminology of German Harmony", Studies in the Origin of Harmonic Tonality, trans. Gjerdingen, Robert O. (1990). Princeton University Press. ISBN 0-691-09135-8.