Sundberg, J. The acoustics of the singing voice: By Johan Sundberg. Scientific American. - 236 (1977) No.3, S. 82 - 91.
Chicago Style (17. basım) AtıfSundberg, Johan. "The Acoustics of the Singing Voice: By Johan Sundberg." Scientific American. - 236 (1977) No.3, S. 82 - 91 .
MLA (8th ed.) AtıfSundberg, Johan. "The Acoustics of the Singing Voice: By Johan Sundberg." Scientific American. - 236 (1977) No.3, S. 82 - 91, .
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