Cage, J. (1975). Etudes australes: Piano. Henmar Press.
Cita Chicago (17th ed.)Cage, John. Etudes Australes: Piano. New York: Henmar Press, 1975.
Cita MLA (9th ed.)Cage, John. Etudes Australes: Piano. Henmar Press, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.