Christy, V. A., & Paton, J. G. (2002). Foundations in singing: A basic textbook in vocal technique and song interpretation (7th ed.). McGraw-Hill.
Citação norma ChicagoChristy, Van Ambrose, and John Glenn Paton. Foundations in Singing: A Basic Textbook in Vocal Technique and Song Interpretation. 7th ed. Boston: McGraw-Hill, 2002.
Citação norma MLAChristy, Van Ambrose, and John Glenn Paton. Foundations in Singing: A Basic Textbook in Vocal Technique and Song Interpretation. 7th ed. McGraw-Hill, 2002.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.