Cita APA (7th ed.)

Lessac, A. (1961). The Use and training of the human voice: A new approach to the bio-dynamics of voice and speech.

Cita Chicago (17th ed.)

Lessac, Arthur. The Use and Training of the Human Voice: A New Approach to the Bio-dynamics of Voice and Speech. N.Y, 1961.

Cita MLA (8th ed.)

Lessac, Arthur. The Use and Training of the Human Voice: A New Approach to the Bio-dynamics of Voice and Speech. 1961.