Sundberg, J. (1987). The science of the singing voice. Northern Illinois University Press.
Chicagoスタイル(17版)引用形式Sundberg, Johan. The Science of the Singing Voice. DeKalb, Ill: Northern Illinois University Press, 1987.
MLA(9版)引用形式Sundberg, Johan. The Science of the Singing Voice. Northern Illinois University Press, 1987.
警告: この引用は必ずしも正確ではありません.