DeVito, J. A. (1990). The elements of public speaking (4th ed.). Harper & Row.
Successfully copied to clipboard
Copying to clipboard failed
Dyfyniad Arddull Chicago
DeVito, Joseph A. The Elements of Public Speaking. 4th ed. Grand Rapids: Harper & Row, 1990.
Successfully copied to clipboard
Copying to clipboard failed
Dyfyniad MLA
DeVito, Joseph A. The Elements of Public Speaking. 4th ed. Harper & Row, 1990.
Successfully copied to clipboard
Copying to clipboard failed
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.