Dyfyniad APA
Emmons, S., & Thomas, A. (1998). Power performance for singers: Transcending the barriers. Oxford University Press.
Dyfyniad Arddull Chicago
Emmons, Shirlee, and Alma Thomas. Power Performance for Singers: Transcending the Barriers. New York: Oxford University Press, 1998.
Dyfyniad MLA
Emmons, Shirlee, and Alma Thomas. Power Performance for Singers: Transcending the Barriers. Oxford University Press, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.