APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (8वां संस्करण) प्रशस्ति पत्र

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