TY  - BOOK
AU  - Verderber,Rudolph F.
AU  - Sellnow,Deanna D.
AU  - Verderber,Kathleen S.
TI  - The challenge of effective speaking: in a digital age 
SN  - 1285094840
PY  - 2015///
CY  - Stamford, [Connecticut]
PB  - Cengage Learning
KW  - Public speaking
N1  - Includes bibliographical references and index
ER  -