BRUYANT, D. C. & WALLACE, K. R. Oral communication. A short course in speaking, 3rd ed., New York : Appleton-Century-Crofts.
CARNEGIE, D. The quick and easy way to effective speaking, Kingswood : World's Work.
Last modified: 10/11/2010
BRUYANT, D. C. & WALLACE, K. R. Oral communication. A short course in speaking, 3rd ed., New York : Appleton-Century-Crofts.
CARNEGIE, D. The quick and easy way to effective speaking, Kingswood : World's Work.
Last modified: 10/11/2010