TY  - MANSCPT
AU  - Hoffman, William G 
TI  - Public speaking for businessmen
U1  - 808.5000 H67 
PY  - 1923///, 1949
CY  - New York : 
PB  - McGraw-Hill Book Company, 
KW  - oratoria
N1  - Oratoria para líderes de comercios
ER  -