Doscher, B. M. (1994). The functional unity of the singing voice (Second edition.). Scarecrow Press.
Cita Chicago (17th ed.)Doscher, Barbara M. The Functional Unity of the Singing Voice. Second edition. Lanham, Md.: Scarecrow Press, 1994.
Cita MLA (9th ed.)Doscher, Barbara M. The Functional Unity of the Singing Voice. Second edition. Scarecrow Press, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.