Boone, D. R. (1983). The voice and voice therapy (3rd edition.). Prentice-Hall.
Chicago Style (17th ed.) CitationBoone, Daniel R. The Voice and Voice Therapy. 3rd edition. Englewood Cliffs, N.J: Prentice-Hall, 1983.
ציטוט MLABoone, Daniel R. The Voice and Voice Therapy. 3rd edition. Prentice-Hall, 1983.
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