Dyfyniad APA
Mayer, L. V. (1994). Fundamentals of voice and diction (10th. ed.). WCB Brown and Benchmark.
Dyfyniad Arddull Chicago
Mayer, Lyle V. Fundamentals of Voice and Diction. 10th. ed. Iowa: WCB Brown and Benchmark, 1994.
Dyfyniad MLA
Mayer, Lyle V. Fundamentals of Voice and Diction. 10th. ed. WCB Brown and Benchmark, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.