Lessac, A. (1961). The Use and training of the human voice: A new approach to the bio-dynamics of voice and speech.
Dyfyniad Arddull ChicagoLessac, Arthur. The Use and Training of the Human Voice: A New Approach to the Bio-dynamics of Voice and Speech. N.Y, 1961.
Dyfyniad MLALessac, Arthur. The Use and Training of the Human Voice: A New Approach to the Bio-dynamics of Voice and Speech. 1961.
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