Cox, K. T., & Titze, I. R. (2023). Voice is free after SOVT: Semi-occluded vocal tract principles, methods, and training. National Center for Voice and Speech.
Chicago-Zitierstil (17. Ausg.)Cox, Karin Titze, und Ingo R. Titze. Voice Is Free After SOVT: Semi-occluded Vocal Tract Principles, Methods, and Training. Clearfield, UT: National Center for Voice and Speech, 2023.
MLA-Zitierstil (9. Ausg.)Cox, Karin Titze, und Ingo R. Titze. Voice Is Free After SOVT: Semi-occluded Vocal Tract Principles, Methods, and Training. National Center for Voice and Speech, 2023.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.