Barbour, J. M., & Kuttner, F. A. (1958). The theory and practice of just intonation. Mursurgia Records.
Cita Chicago (17th ed.)Barbour, James Murray, i Fritz Alexander Kuttner. The Theory and Practice of Just Intonation. New York: Mursurgia Records, 1958.
Cita MLA (9th ed.)Barbour, James Murray, i Fritz Alexander Kuttner. The Theory and Practice of Just Intonation. Mursurgia Records, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.