TY  - BOOK
AU  - Hart,Roderick P.
AU  - Friedrich,Gustav W.
AU  - Brooks,William D.
TI  - Public communication
SN  - 0060426853
PY  - 1975///
CY  - New York
PB  - Harper & Row
KW  - Public speaking
N1  - Bibliography: page 275-279
ER  -