Ang, M. F. (2019). Effects of music-based voice intervention protocol on vocal amplitude, pitch range, respiratory rate, and quality of life of people with Parkinson’s Disease.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ang, Mei Foong. Effects of Music-based Voice Intervention Protocol on Vocal Amplitude, Pitch Range, Respiratory Rate, and Quality of Life of People with Parkinson’s Disease. 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ang, Mei Foong. Effects of Music-based Voice Intervention Protocol on Vocal Amplitude, Pitch Range, Respiratory Rate, and Quality of Life of People with Parkinson’s Disease. 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.