Bach, J. S., & Leonhardt, G. M. The art of fugue. Bach Guild BG 532/533.
Cita Chicago (17th ed.)Bach, Johann Sebastian, i Gustav M. Leonhardt. The Art of Fugue. s.l: Bach Guild BG 532/533.
Cita MLA (9th ed.)Bach, Johann Sebastian, i Gustav M. Leonhardt. The Art of Fugue. Bach Guild BG 532/533.
Atenció: Aquestes cites poden no estar 100% correctes.