Rubin, A. D., & Jackson-Menaldi, M. C. A. (2014). The vocal pitstop: Keeping your voice on track. Compton Publishing.
Citace podle Chicago (17th ed.)Rubin, Adam D., a MarÃa Cristina A. Jackson-Menaldi. The Vocal Pitstop: Keeping Your Voice on Track. Oxford: Compton Publishing, 2014.
Citace podle MLA (9th ed.)Rubin, Adam D., a MarÃa Cristina A. Jackson-Menaldi. The Vocal Pitstop: Keeping Your Voice on Track. Compton Publishing, 2014.
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