Lua APA (7ú heag.)

Sundberg, J. The acoustics of the singing voice: By Johan Sundberg. Scientific American. - 236 (1977) No.3, S. 82 - 91.

Lua i Stíl Chicago (17ú heag.)

Sundberg, Johan. "The Acoustics of the Singing Voice: By Johan Sundberg." Scientific American. - 236 (1977) No.3, S. 82 - 91 .

Lua MLA (8ú heag.)

Sundberg, Johan. "The Acoustics of the Singing Voice: By Johan Sundberg." Scientific American. - 236 (1977) No.3, S. 82 - 91, .

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