Behrman, A., & Haskell, J. (2013). Exercise of voice therapy (2nd ed.). Plural Publishing.
Citace podle Chicago (17th ed.)Behrman, Alison, a John Haskell. Exercise of Voice Therapy. 2nd ed. San Diego, CA: Plural Publishing, 2013.
Citace podle MLA (9th ed.)Behrman, Alison, a John Haskell. Exercise of Voice Therapy. 2nd ed. Plural Publishing, 2013.
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