Mayer, L. V. (2004). Fundamentals of voice and articulation. Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoMayer, Lyle Vernon. Fundamentals of Voice and Articulation. Boston: McGraw-Hill, 2004.
Deismireacht MLAMayer, Lyle Vernon. Fundamentals of Voice and Articulation. Boston: McGraw-Hill, 2004.
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