Dyfyniad APA

Stemple, J. C. (1993). Voice therapy: Clinical studies. Mosby Year Book.

Dyfyniad Arddull Chicago

Stemple, Joseph C. Voice Therapy: Clinical Studies. St. Louis: Mosby Year Book, 1993.

Dyfyniad MLA

Stemple, Joseph C. Voice Therapy: Clinical Studies. Mosby Year Book, 1993.

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