Bottalico, P., Graetzer, S., & Hunter, E. J. (2015). Effect of training and level of external auditory feedback on the singing voice: Volume and quality. J Voice.
Chicago Style CitationBottalico, Pasquale, Simone Graetzer, and Eric J. Hunter. "Effect of Training and Level of External Auditory Feedback On the Singing Voice: Volume and Quality." J Voice 2015.
MLA CitationBottalico, Pasquale, Simone Graetzer, and Eric J. Hunter. "Effect of Training and Level of External Auditory Feedback On the Singing Voice: Volume and Quality." J Voice 2015.
Warning: These citations may not always be 100% accurate.