Sundberg, J. (1987). The science of the singing voice. Northern Illinois University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSundberg, Johan. The Science of the Singing Voice. DeKalb, Ill: Northern Illinois University Press, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSundberg, Johan. The Science of the Singing Voice. Northern Illinois University Press, 1987.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.