TY  - GEN
AU  - SPIRO, R. L. 
AU  - RICH, G. A. [...et al...]
TI  - Management of a Sales Force. 
SN  - 978-0-07-352977-6
U1  - 658.81 SPI 
PY  - 2008///
CY  - Boston
PB  - McGraw - Hill, 
ER  -