Cox, R. D., & Richard D. Cox. Singer's Manual of German and French Diction. Belmont, CA: Cengage Learning, Inc.
Dyfyniad Arddull ChicagoCox, Richard D., và Richard D. Cox. Singer's Manual of German and French Diction. Belmont, CA: Cengage Learning, Inc.
Dyfyniad MLACox, Richard D., và Richard D. Cox. Singer's Manual of German and French Diction. Belmont, CA: Cengage Learning, Inc.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.