TY  - BOOK
AU  - Verderber, Rudolph F.
AU  - Sellnow,Deanna D.
AU  - Verderber,Kathleen S.
TI  - The challenge of speaking: in a digital age
SN  - 9781285094847
PY  - 2013///
CY  - Australia
PB  - Cengage Learning
KW  - English language
KW  - Study and teaching
N1  - Includes bibliographical references and index
ER  -