Doscher, B. M. (1994). The functional unity of the singing voice (Second edition.). Scarecrow Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDoscher, Barbara M. The Functional Unity of the Singing Voice. Second edition. Lanham, Md.: Scarecrow Press, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDoscher, Barbara M. The Functional Unity of the Singing Voice. Second edition. Scarecrow Press, 1994.
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