Cita APA (7th ed.)

Chopin, F. (1989). Etudes. BMG Music.

Cita Chicago (17th ed.)

Chopin, Frederic. Etudes. New York: BMG Music, 1989.

Cita MLA (9th ed.)

Chopin, Frederic. Etudes. BMG Music, 1989.

Atenció: Aquestes cites poden no estar 100% correctes.