Heman-Ackah, Y. D., Hawkshaw, M., & Sataloff, R. T. (2013). The voice: A medical guide for achieving and maintaining a healthy voice. Science & Medicine.
Citace podle Chicago (17th ed.)Heman-Ackah, Yolanda D., Mary Hawkshaw, a Robert Thayer Sataloff. The Voice: A Medical Guide for Achieving and Maintaining a Healthy Voice. Narberth, PA: Science & Medicine, 2013.
Citace podle MLA (9th ed.)Heman-Ackah, Yolanda D., et al. The Voice: A Medical Guide for Achieving and Maintaining a Healthy Voice. Science & Medicine, 2013.
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