Doscher, B. M. (1994). The functional unity of the singing voice (Second edition.). Scarecrow Press.
Chicago (17e ed.) BronvermeldingDoscher, Barbara M. The Functional Unity of the Singing Voice. Second edition. Lanham, Md.: Scarecrow Press, 1994.
MLA (9e ed.) BronvermeldingDoscher, Barbara M. The Functional Unity of the Singing Voice. Second edition. Scarecrow Press, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.