Mayer, L. V. (1991). Fundamentals of voice & diction (9th ed.). Brown.
Chicago Style aipamenaMayer, Lyle Vernon. Fundamentals of Voice & Diction. 9th ed. Dubuque, Iowa: Brown, 1991.
MLA aipamenaMayer, Lyle Vernon. Fundamentals of Voice & Diction. 9th ed. Brown, 1991.
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