TY  - GEN
AU  - Verderber, Rudolph F.
AU  - Verderber, Kathleen
AU  - Sellnow, Deanna D.
TI  - (The) challenge of effective speaking
AV  - PN4129 Ver
PY  - 2012///
PB  - Wadsworth Cengage Learning
KW  - Public speaking
N1  - 20141
ER  -