Principles of effective speaking /
Sandford, William Phillips
Principles of effective speaking / William Phillips Sandford, Willard Hayes Yeager. - 6th ed. - New York : Ronald Press Company, 1963. - vi, 344 p.
Oral communication--Study and teaching
Principles of effective speaking / William Phillips Sandford, Willard Hayes Yeager. - 6th ed. - New York : Ronald Press Company, 1963. - vi, 344 p.
Oral communication--Study and teaching