Jones, C. (2005). Make your voice heard: An actor's guide to increased dramatic range through vocal training (2nd edition.). Back Stage Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jones, Chuck. Make Your Voice Heard: An Actor's Guide to Increased Dramatic Range Through Vocal Training. 2nd edition. New York: Back Stage Books, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Jones, Chuck. Make Your Voice Heard: An Actor's Guide to Increased Dramatic Range Through Vocal Training. 2nd edition. Back Stage Books, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.