Gibson, J. W. (1971). A reader in speech communication. McGraw - hill.
Dyfyniad Arddull ChicagoGibson, James W. A Reader in Speech Communication. New York: McGraw - hill, 1971.
Dyfyniad MLAGibson, James W. A Reader in Speech Communication. McGraw - hill, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.