Rosewall, R. B. (1984). Handbook of singing: A guide to vocal development for the beginning student, the voice class, and the teacher-in-training (Rev. ed.). Dickerson Press.
Dyfyniad Arddull ChicagoRosewall, Richard Byron. Handbook of Singing: A Guide to Vocal Development for the Beginning Student, the Voice Class, and the Teacher-in-training. Rev. ed. Evanston, Ill.: Dickerson Press, 1984.
Dyfyniad MLARosewall, Richard Byron. Handbook of Singing: A Guide to Vocal Development for the Beginning Student, the Voice Class, and the Teacher-in-training. Rev. ed. Dickerson Press, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.