Citace podle APA (7th ed.)
Christy, V. A., & Paton, J. G. (1990). Foundations of singing: A text book in vocal technique and song interpretation (5th .ed.). Wm. C. Brown.
Citace podle Chicago (17th ed.)
Christy, Van A., a John Glenn Paton. Foundations of Singing: A Text Book in Vocal Technique and Song Interpretation. 5th .ed. U.S.A: Wm. C. Brown, 1990.
Citace podle MLA (9th ed.)
Christy, Van A., a John Glenn Paton. Foundations of Singing: A Text Book in Vocal Technique and Song Interpretation. 5th .ed. Wm. C. Brown, 1990.
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