TY  - BOOK
AU  - Rudolph F. Verderber, Deanna D. Sellnow, and Kathleen S. Verderber
TI  - The Challenge of Effective Speaking in a Digital Age 
SN  - 978-1-305-94819-8
U1  - Cir. 808.51 V483 C2018 
PY  - 2018///
CY  - USA: 
PB  - Cengage Learning, 
ER  -