Parkin, K. (1969). Ideal voice and speech training: A book of exercises (Rev., with additional material.). S. French.
Citace podle Chicago (17th ed.)Parkin, Ken. Ideal Voice and Speech Training: A Book of Exercises. Rev., with additional material. London ; New York: S. French, 1969.
Citace podle MLA (9th ed.)Parkin, Ken. Ideal Voice and Speech Training: A Book of Exercises. Rev., with additional material. S. French, 1969.
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