Christy, V. A., & Paton, J. G. (1990). Foundations in singing: A basic textbook in vocal technique and song interpretation (5th ed. medium-low voice ed.). W.C. Brown.
Chicagoスタイル(17版)引用形式Christy, Van Ambrose, , John Glenn Paton. Foundations in Singing: A Basic Textbook in Vocal Technique and Song Interpretation. 5th ed. medium-low voice ed. Dubuque, Iowa: W.C. Brown, 1990.
MLA(9版)引用形式Christy, Van Ambrose, , John Glenn Paton. Foundations in Singing: A Basic Textbook in Vocal Technique and Song Interpretation. 5th ed. medium-low voice ed. W.C. Brown, 1990.
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