Manahan, R., & Petry, M. (2011). Unraveling the mysteries of vocal technique: Conceptions & misconceptions about singing. XLibris.
Chicago Style (17th ed.) CitationManahan, Ruth, and Marise Petry. Unraveling the Mysteries of Vocal Technique: Conceptions & Misconceptions About Singing. s.l: XLibris, 2011.
MLA (9th ed.) CitationManahan, Ruth, and Marise Petry. Unraveling the Mysteries of Vocal Technique: Conceptions & Misconceptions About Singing. XLibris, 2011.
Warning: These citations may not always be 100% accurate.